Patent US3077536A successfully refreshed from Google Patents.
US3077536A
Expired / Lapsed
US
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Two-way lighting fixture
Assignee: Day Brite Lighting Inc
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Filing: 1961-04-12
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Granted: 1963-02-12
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Expires: 1981-04-12
Abstract
No abstract record available.
Inventors
- 👤 Willard R Garnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/0008; F21V7/0016; F21S; F21S8/00; F21S8/03; F21S8/033; F21W; F21W2131/00; F21W2131/20; F21W2131/208; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A LIGHTING FIXTURE INCLUDING A NORMALLY STATIONARY BODY HAVING MEANS EXTENDING FROM ONE SIDE TO FORM THE TOP AND PART OF THE FRONT AND ENDS OF A CHAMBER FOR ILLUMINATING LAMPS, LAMPS MOUNTED IN SAID CHAMBER IN SPACED RELATION, A CLOSURE ASSEMBLY MOVABLY CARRIED BY SAID STATIONARY BODY AND HAVING MEANS FORMING THE BOTTOM AND PART OF THE FRONT AND ENDS OF THE CHAMBER FOR THE ILLUMINATING LAMPS, A FIRST LIGHT TRANSMITTING PANEL CARRIED BY SAID TOP MEANS ADJACENT ONE OF SAID LAMPS, A SECOND LIGHT TRANSMITTING PANEL CARRIED BY SAID BOTTOM MEANS ADJACENT ANOTHER LAMP, AND COMMON BAFFLE MEANS IN THE FIXTURE EXTENDING BETWEEN SAID LAMPS AND DIVIDING THE LAMP CHAMBER INTO SEPARATE SPACES EACH ASSOCIATED WITH A PANEL AND ISOLATING SUCH SPACES FROM EACH OTHER.
Claim 2
Dependent Claim
127 words
A LIGHTING FIXTURE INCLUDING A NORMALLY STATIONARY BODY HAVING MEANS EXTENDING FROM ONE SIDE TO FORM THE TOP AND PART OF THE FRONT AND ENDS OF A CHAMBER FOR ILLUMINATING LAMPS, LAMPS MOUNTED IN SAID CHAMBER IN SPACED RELATION, A CLOSURE ASSEMBLY MOVABLY CARRIED BY SAID STATIONARY BODY AND HAVING MEANS FORMING THE BOTTOM AND PART OF THE FRONT AND ENDS OF THE CHAMBER FOR THE ILLUMINATING LAMPS, A FIRST LIGHT TRANSMITTING PANEL CARRIED BY SAID TOP MEANS ADJACENT ONE OF SAID LAMPS, A SECOND LIGHT TRANSMITTING PANEL CARRIED BY SAID BOTTOM MEANS ADJACENT ANOTHER LAMP, AND COMMON BAFFLE MEANS IN THE FIXTURE EXTENDING BETWEEN SAID LAMPS AND DIVIDING THE LAMP CHAMBER INTO SEPARATE SPACES EACH ASSOCIATED WITH A PANEL AND ISOLATING SUCH SPACES FROM EACH OTHER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |