US3315074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture
Assignee: TDK Micronas GmbH
•
Filing: 1964-03-24
•
Granted: 1967-04-18
•
Expires: 1984-03-24
Abstract
No abstract record available.
Inventors
- 👤 Morris M Buzan
- 👤 John J Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:39
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21V17/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A CEILING TYPE LIGHTING FIXTURE COMPRISING A FRAME, A GLASS, MEANS SECURING SAID GLASS TO SAID FRAME, A PAN ADAPTED TO BE MOUNTED FLUSH AGAINST A CEILING OR LIKE SURFACE, SAID FRAME HAVING AN INNER FLANGE WHICH DEFINES AN OPENING FOR RECEIPT OF SAID PAN THEREWITHIN, SAID PAN HAVING AN OUTWARDLY EXTENDING ABUTMENT SURFACE FOR SUPPORTING SAID FRAME THEREON AND SPRING MEANS FOR YIELDABLY MAINTAINING SAID FRAME IN POSITION OVERLYING SAID ABUTMENT SURFACE, AND MEANS MOUNTING SAID FRAME FOR PIVOTAL AND LATERAL MOVEMENT WITH RESPECT TO SAID PAN TO
References Cited (Backward Citations)
US2923038A
Cited
US2961530A
Cited
US2994149A
Cited
AT214015B
Cited
US3024356A
Cited
US3052372A
Cited
US3239661A
Cited
US3113731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |