US3104833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recessed lighting fixture
Assignee: —
•
Filing: —
•
Granted: 1963-09-24
•
Expires: 1980-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:14
CPC Classifications
F; F21; F21V; F21V29/00; F21V29/50; F21V29/70; F21V29/83; F21S; F21S8/00; F21S8/02; F21V21/00; F21V21/02; F21V21/04; F21V27/00; F21V27/02; F21V29/74
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
186 words
A RECESSED LIGHTING FIXTURE COMPRISING A HOUSING DEFINED BY SIDE WALLS AND A TOP WALL AND HAVING AN OPEN BOTTOM, A JUNCTION BOX MOUNTED ON A SIDE WALL OF SAID HOUSING HAVING A PAIR OF OPPOSED WALLS THEREOF TERMINATING IN SPACED RELATION TO SAID HOUSING SIDE WALL, AN OPENING IN THE SIDE WALL AFFORDING ACCESS TO THE JUNCTION BOX, A CLOSURE FOR SAID OPENING, A HEAT BAFFLE PLATE CARRIED BY SAID CLOSURE IN SUCH SPACED RELATION AS TO EXTEND BETWEEN SAID PAIR OF BOX WALLS AT THE EDGE PORTIONS THEREOF ADJACENT THE HOUSING TO DEFINE A SUBSTANTIALLY CLOSED COMPARTMENT IN SAID JUNCTION BOX AND AN OPEN SPACE BETWEEN SAID COMPARTMENT AND THE HOUSING, SAID CLOSURE COMPRISING A PAIR OF PARALLEL PLATE MEMBERS CONNECTED ALONG ONE PAIR OF ADJACENT EDGES, ONE OF SAID PLATE MEMBERS BEING SECURED TO SAID HOUSING SIDE WALL AND EXTENDING OVER SAID OPENING AND THE OTHER BEING SPACED FROM THE HOUSING, AN ELECTRICAL SOCKET MOUNTED ON THE OTHER PLATE MEMBER, A CONCAVE REFLECTOR IN THE HOUSING EXTENDING OVER THE SOCKET, AND HEAT-INSULATING MEANS MOUNTING THE REFLECTOR IN THE HOUSING OUT OF CONTACT THEREWITH.
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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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |