Patent US3290496A successfully refreshed from Google Patents.
US3290496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp fixtures
Assignee: Emerson Electric Co
•
Filing: 1965-09-29
•
Granted: 1966-12-06
•
Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur I Appleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:41
CPC Classifications
F; F21; F21V; F21V31/00; F21V17/00; F21V17/10; F21V17/107; F21V17/20; F21V21/00; F21V21/14; F21V21/30; F21V3/00; F21W; F21W2131/00; F21W2131/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
IN A LAMP FIXTURE, A REFLECTOR HOUSING HAVING AN OPEN FRONT, A COVER FOR THE OPEN FRONT OF THE REFLECTOR HOUSING INCLUDING A LENS, A LENS FRAME AND A LENS RETAINER GASKET INTERPOSED BETWEEN THE LENS AND THE LENS FRAME, SAID GASKET EMBRACING THE PERIPHERY OF THE LENS AND INCLUDING A PERIPHERAL RESILIENT BEAD RELEASABLY CLASPING A CORRESPONDING BEAD OF THE REFLECTOR HOUSING ADJACENT THE EDGE OF THE OPEN FRONT THEREOF, A HINGE FLEXIBLY JOINED TO THE
References Cited (Backward Citations)
US2344327A
Cited
US2338559A
Cited
US2481531A
Cited
US2769082A
Cited
US2918570A
Cited
US3175080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |