US3187174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture
Assignee: Individual
•
Filing: 1962-05-07
•
Granted: 1965-06-01
•
Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Harry M Gerstel
- 👤 Langer Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:58
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
154 words
A RECESSED LOW BRIGHTNESS INCANDESCENT LIGHT REFLECTOR FIXTURE FOR MOUNTING INTERIORLY OF A PLASTER AND ACOUSTICAL CEILING, SAID CEILING HAVING AN OPENING AND AN INTERIOR MOUNTING STRUCTURE, SAID FIXTURE HAVING A TOP HALF SPHERICAL ALUMINUM INVERTED DOME LIKE REFLECTOR MEMBER, A JUNCTION INLET BOX CARRIED BY SAID TOP DOME LIKE REFLECTOR AT THE TOP THEREOF, AND INCANDESCENT LAMP PROJECTING DOWNWARDLY THEREWITHIN TERMINATING AT THE LOWER EDGE OF THE REFLECTOR, A LOWER DOWNWARDLY CONVERGING CONE CONNECTED TO THE LOWER PERIPHERY OF THE REFLECTOR, SAID CONE HAVING A LOWER OPENING WITH A DOWNWARDLY EXTENDING PERIPHERAL FLANGE LARGER THAN THE DIAMETER OF THE LAMP, A REMOVABLE HOLLOW ELONGATED CURVED SIDE BLACK INTERIOR FINISH BAFFLE EXTENDING THROUGH THE CEILING OPENING INTO THE LOWER PART OF THE CONE AND MOUNTING BRACKETS CARRYING SAID REFLECTOR FROM SAID MOUNTING STRUCTURE, SAID CONVERGENT CONE HAVING A DOWNWARDLY DEPENDING SLEEVE AT THE LOWER PORTION THEREOF AND SAID BAFFLE HAVING AN UPWARDLY PROJECTING CON-
References Cited (Backward Citations)
US2587423A
Cited
US2984739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |