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US3056898A Expired / Lapsed US ⏱️ 0.0 years remaining

Lighting unit and method of manufacture

Assignee: Westinghouse Electric Corp
•
Filing: 1959-07-09
•
Granted: 1962-10-02
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Expires: 1979-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 William J Knochel
  • 👤 Elmer M Schneider

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:36
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/02; H05B33/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49826; Y10T29/49863; Y10T29/49876; Y10T29/49885

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 173 words
A LIGHTING UNIT COMPRISING, A FRAME, A PLANAR LIGHT SOURCE MOUNTED IN SAID FRAME HAVING A LIGHT-EMMITTING FACE AT LEAST A PORTION OF WHICH IS DISPOSED IN THE FRONT OPENING OF SAID FRAME, CONTACE MEANS CARRIED BY SAID LIGHT SOURCE ON A SIDE OTHER THAN THE LIGHT-EMITTING FACE THEREOF, A PANEL FASTENED TO AND EXTENDING ACROSS THE BACK OF SAID FRAME, SAID PANEL BEING SPACED FROMTHE BACK OF SAID LIGHT SOURCE AND DEFINING A CAVITY THEREWITH AT THE BACK OF SAID FRAME, A PLASTIC COATING OF PREDETERMINED THICKNESS ON THE BACKOF SAID LIGHT SOURCE COVERING SAID CONTACT MEANS AND PARTLY FILLING SAID CAVITY, LEAD-IN CONDUCTORS ENGAGING SAID LIGHT SOURCE CONTACT MEANS AND EXTENDING THROGH SAID PLASTIC COATING AND CAVITY AND THROUGH SAID PANEL, THE PARTS OF SAID LEAD-IN CONDUCTORS PROTRUDING BEYOND SAID PANEL COMPRISING EXPOSED TERMINALS FOR SAID LIGHT SOURCE, AND THE PARTS OF SAID LEAD-IN CONDUCTORS IN ENGAGEMENT WITH SAID LIGHT SOURCE CONTACT MEANS BEING EMBEDDED IN SAID PLASTIC COATING AND PERMANENTLY LOCKED THEREBY IN POSITIVE ELECTRICAL ENGAGEMENT WITH SAID LIGHT SOURCE.
Claim 2
Dependent Claim 173 words
A LIGHTING UNIT COMPRISING, A FRAME, A PLANAR LIGHT SOURCE MOUNTED IN SAID FRAME HAVING A LIGHT-EMMITTING FACE AT LEAST A PORTION OF WHICH IS DISPOSED IN THE FRONT OPENING OF SAID FRAME, CONTACE MEANS CARRIED BY SAID LIGHT SOURCE ON A SIDE OTHER THAN THE LIGHT-EMITTING FACE THEREOF, A PANEL FASTENED TO AND EXTENDING ACROSS THE BACK OF SAID FRAME, SAID PANEL BEING SPACED FROMTHE BACK OF SAID LIGHT SOURCE AND DEFINING A CAVITY THEREWITH AT THE BACK OF SAID FRAME, A PLASTIC COATING OF PREDETERMINED THICKNESS ON THE BACKOF SAID LIGHT SOURCE COVERING SAID CONTACT MEANS AND PARTLY FILLING SAID CAVITY, LEAD-IN CONDUCTORS ENGAGING SAID LIGHT SOURCE CONTACT MEANS AND EXTENDING THROGH SAID PLASTIC COATING AND CAVITY AND THROUGH SAID PANEL, THE PARTS OF SAID LEAD-IN CONDUCTORS PROTRUDING BEYOND SAID PANEL COMPRISING EXPOSED TERMINALS FOR SAID LIGHT SOURCE, AND THE PARTS OF SAID LEAD-IN CONDUCTORS IN ENGAGEMENT WITH SAID LIGHT SOURCE CONTACT MEANS BEING EMBEDDED IN SAID PLASTIC COATING AND PERMANENTLY LOCKED THEREBY IN POSITIVE ELECTRICAL ENGAGEMENT WITH SAID LIGHT SOURCE.

References Cited (Backward Citations)

US1977105A Cited
US2716298A Cited
US2821646A Cited
US2863061A Cited
US2901651A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-01 1966-04-02 1966-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-01 1970-04-02 1970-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-01 1974-04-02 1974-10-02 $7700.00 Window Closed / Lapsed

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