US3248534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture
Assignee: Corning Glass Works
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Filing: 1963-09-30
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Granted: 1966-04-26
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 William T Cahill
- 👤 Richard B Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:17
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21V; F21V17/00; F21V17/06; F21V17/10; F21V17/18; F21V21/00; F21V21/02; F21V21/03
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
THE COMBINATION WITH A FIXTURE FOR HOLDING AN ELECTRIC LIGHT BULB, OF AN ENCLOSURE COMPRISING AN ADAPTOR HAVING A BASE PORTION REMOVABLY INSERTED IN A SOCKET OF SAID FIXTURE TO EFFECT ELECTRICAL CONNECTION THEREWITH AND A SOCKET PORTION CAPABLE OF RECEIVING AN ELECTRIC LIGHT BULB, MEANS FOR EFFECTING ELECTRICAL CONNECTION BETWEEN SAID BASE PORTION AND SAID SOCKET PORTION OF SAID ADAPTOR, A COLLAR IN RESILIENT TELESCOPING RELATIONSHIP WITH SAID ADAPTOR AND SURROUNDING SAID BASE PORTION OF SAID ADAPTOR AND RESILIENTLY HELD AGAINST SAID CEILING BY SPRING MEANS ACTING BETWEEN SAID ADAPTOR AND SAID COLLAR, AND A LIGHTTRANSMITTING ENVELOPE SUPPORTED BY SAID ADAPTOR AND INCLUDING THEREIN A SPACE OF SIZE SUFFICIENT FOR THE INCLUSION OF AN ELECTRIC LIGHT BULB INSERTED IN SAID SOCKET PORTION OF SAID ADAPTOR.
References Cited (Backward Citations)
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Cited
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |