Search for: "The Incandescent Lamp Patent" Results 1 - 20 of 38
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21 Oct 2020, 7:28 am by Dennis Crouch
’ ‘(3) The incandescing conductor for an electric lamp, formed of carbonized paper, substantially as described. [read post]
1 Jan 2020, 6:56 pm by Lawrence B. Ebert
Jewel Incandescent Lamp Co., 326 U.S. 242, 249 (1945). (...)Our predecessor court similarly concludedthat it “is not the law” that “a structure suggested by theprior art, and, hence, potentially in the possession of thepublic, is patentable . . . because it also possesses an[i]nherent, but hitherto unknown, function which [the patentees] claim to have discovered. [read post]
23 Sep 2019, 9:24 am by Dennis Crouch
A filament for electric incandescent lamps or other devices, composed substantially of tungsten and made up mainly of a number of comparatively large grains of such size and contour as to prevent substantial sagging and offsetting during a normal or commercially useful life for such a lamp or other device. [read post]
18 Apr 2018, 8:07 pm by Lawrence B. Ebert
,leakage current in traffic signal systems employing a lightsource different from traditional incandescent lamps) andpropose similar solutions (i.e., similar circuitry—adaptiveclamp circuit in Hochstein, and dynamic load circuit inHildebrand). [read post]
6 Mar 2018, 11:45 am by Michael Risch
Now, there is an argument that the claim is so broad that Newman didn't enable every device claimed (as in the Incandescent Lamp case), but that's not what the board was describing. [read post]
6 Mar 2018, 11:45 am by Michael Risch
Now, there is an argument that the claim is so broad that Newman didn't enable every device claimed (as in the Incandescent Lamp case), but that's not what the board was describing. [read post]
6 Mar 2018, 11:45 am by Michael Risch
Now, there is an argument that the claim is so broad that Newman didn't enable every device claimed (as in the Incandescent Lamp case), but that's not what the board was describing. [read post]
6 Mar 2018, 11:45 am by Michael Risch
Now, there is an argument that the claim is so broad that Newman didn't enable every device claimed (as in the Incandescent Lamp case), but that's not what the board was describing. [read post]
14 May 2017, 12:02 pm by Stuart Kaplow
In an example of the best and worst of laws on the same subject, on January 27, 1880, Thomas Edison received the patent for his incandescent lamp that paved the way for the universal domestic use of electric light (ultimately allowing mankind to work, study and play after sundown). [read post]
31 Jan 2017, 5:27 pm by Lawrence B. Ebert
The practical significance of these advantages were apparently missed by many lamp developers including Sawyer & Man, even years after Edison‘s patent issued, as they persisted in futile attempts to solve problems inherent only to thick carbon incandescent rods of low resistance that drew high currents and incurred high rate of erosion.26 A few years after Edison‘s patent issued Sawyer continued to insist that the resistance of the carbon… [read post]
21 Mar 2016, 8:08 am by Lawrence B. Ebert
What I claim is- The design for incandescent electric lamps herein described and shown. [read post]
20 Mar 2016, 11:52 am by Lawrence B. Ebert
Richards, EXPERIMENTATION AND PATENT VALIDITY: RESTORING THE SUPREME COURT'S INCANDESCENT LAMP PATENT PRECEDENT, 101 Va. [read post]
19 Mar 2016, 10:55 am by Lawrence B. Ebert
Patent No. 223,898 ('898 Patent) recognized Thomas Alva Edison's "improvement in electric lamps," including a claim on "[a]n electric lamp for giving light by incandescence, consisting of a filament of carbon of high resistance, made as described, and secured to metallic wires, as set forth. [read post]
16 Mar 2016, 2:42 pm by Lawrence B. Ebert
Ed. 221 (1895) ,It is admitted that the lamp described in the Sawyer and Man patent is no longer in use, and was never a commercial success; that it does not embody the principle of high resistance with a small illuminating surface; that it does not have the filament burner of the modern incandescent lamp; that the lamp chamber is defective, and that the lamp manufactured by the complainant and put upon the market is substantially the Edison… [read post]
13 Mar 2016, 12:59 pm by Lawrence B. Ebert
Swan did win a patent fight in England, but that does not prove Swan's work was either simultaneous or competing.From a 2006 paper by LBE:The basic claim of Edison read: An electric lamp for giving light by incandescence, consisting of a filament of carbon of high resistance, made as described, and secured to metallic wires, as set forth. [read post]
5 Mar 2016, 9:57 am by Lawrence B. Ebert
The lamps experimented with at that time had operating life of only a fewhours as the carbon incandescent rods were consumed or had to be reattached often. [read post]
2 Feb 2016, 12:24 pm by Lawrence B. Ebert
At this point, Edison's people began to search published patents and the works of others in incandescent lighting. [read post]
16 Apr 2015, 2:38 pm by Lawrence B. Ebert
 Edison, which involved conflicting claims over the incandescent lamp. [read post]
19 Dec 2013, 11:39 am by Jason Rantanen
Teleflex, 550 U.S. 398 (2007)The Incandescent Lamp Patent case, 159 U.S. 465 (1895)Phillips v. [read post]
18 Dec 2013, 12:00 am by Jason Rantanen
Teleflex, 550 U.S. 398 (2007)The Incandescent Lamp Patent case, 159 U.S. 465 (1895)Phillips v. [read post]