Patent US3056898A successfully refreshed from Google Patents.
US3056898A
Expired / Lapsed
US
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Lighting unit and method of manufacture
Assignee: Westinghouse Electric Corp
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Filing: 1959-07-09
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Granted: 1962-10-02
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Expires: 1979-07-09
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 10:42
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)
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 |