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...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.

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Class 439/168 - Lamp or electron tube socket or base


Subclass of Class 439 - Electrical connectors
Definition: Electrical connector particularly adapted to detachably
No. of patents: 14
Last issue date: 07/01/2008


NumberTitleIssue Date
7393223Electrical mounting connector for a bi-pin fluorescent bulb
An electrical mounting connector for a bi-pin fluorescent bulb has a lamp holder with two terminals and a cap with two pin guiding openings that snaps into the lamp holder such that two pins held in the two pin guiding openings will be held in contact with the two p...
07/01/2008
6974340Electrical connector
An electrical plug connector assembly includes a socket connector and a plug connector. The socket connector includes a housing within which a U-shaped contact spring physically contacts a fixed contact part to establish an electrical connection. The U-shaped contac...
12/13/2005
6966782Adapter which can shield an end of an antenna terminal welded on a wireless network card
An adapter includes a wireless card, and a bracket fixed on the wireless card. The bracket includes a base plate that has an aperture for positioning an antenna terminal, and a mask extended from the base plate for substantially shielding an end of the antenna termi...
11/22/2005
6926424Rapidly assembled lamp installation device
A device for rapid installation of a lamp provides easy connection for a plurality of fluorescent tubes to a connecting box. Each of the fluorescent tubes is mounted into a base frame where a slide rod on a sliding track thereof secures the insertion of a fluorescen...
08/09/2005
6710526Headlight lamp having base flange with three clips
The headlight bulb includes at least one lamp body (1), at least one luminous element (3) enclosed within the at least one lamp body (1), a lamp base (2) in which the at least one lamp body (1) is fixed and power connectors (4, ...
03/23/2004
6113408Non-arcing fluorescent lamp holder
A fluorescent lamp holder assembly is adapted to receive various injection molded end cap structures allowing the fluorescent lamp holder assembly to have several embodiments, including watertight embodiments. The fluorescent lamp holder assembly may be d...
09/05/2000
5702254Combination receptacle for interchangeable lamps in circuit boards
A circuit board has a socket opening for a twist-in lamp bordered by a pair of arcuate conductors. The circuit board is configured to define a socket for a bi-pin lamp located concentrically within the opening and supported by bridges across the opening. ...
12/30/1997
5532557Electric light socket constructions
Light socket improvements include a thermal conductor which removes heat by inducing a flow of air within the socket and/or which acts as heat sink that more efficiently transfers heat to the socket support thereby enabling use of higher wattage light bul...
07/02/1996
5113044One-way/three-way light socket
A light socket having a standard contact and switch arrangement for standard operation with three-way incandescent light bulbs. In addition to the standard main switch, the socket also includes a secondary mode switch operatively connected to the appropri...
05/12/1992
4544218Electrical ornamentation system
A connector is disclosed which permits an electrically illuminated ornament or the like to be readily connected to a string of conventional light sockets. A first connection is provided which preferably is in the form of a conventional socket for receivin...
10/01/1985
4418973Wedge base lamp socket assembly
An improved socket member for a wedge base type incandescent lamp is disclosed which includes resilient engagement means to mount the lamp and socket assembly for subsequent operation along with particular electrical termination means being provided in th...
12/06/1983
4275325Fluorescent lamp with plural sealed enclosures and electrical connector therefor
A fluorescent lamp having a longitudinal divider forming at least two enclosures inside its cylindrical glass envelope. Each enclosure has a set of electrodes on each end in a similar fashion as regular fluorescent lamps do. The end cap is provided with t...
06/23/1981
4148541Interlocking electron tube base and adapter
A wafer type tube base is secured to a stem structure of an electron tube. The base includes a cup which fits over an exhaust tubulation of the stem and a wafer flange which extends radially outward from the open end of the cup and abuts the stem wall. Th...
04/10/1979
4101805Touch-responsive socket
A socket for mounting an electrical device such as an ordinary incandescent light bulb and enabling the electrical device to be switched to either its "off" condition or its "on" condition in response to touching the socket housing or any part of the stru...
07/18/1978
 
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