US3286090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable ceiling fixtures
Assignee: SECHRIST Manufacturing Co
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Filing: 1964-08-10
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Granted: 1966-11-15
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Charles S Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:03
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A CEILING FIXTURE FOR AN ELECTRIC LAMP BULB COMPRISING: A PLASTIC RING ADAPTED TO BE INSERTED IN AN OPENING IN A CEILING, A TUBULAR LAMP ENCLOSING SHELL INSERTED UPWARDLY THROUGH SAID PLASTER RING; VERTICAL TRACK MEMBERS MOUNTED ON SAID ARISING FROM SAID PLASTER RING AND SURROUNDING SAID TUBULAR SHELL; SPRING CLIPS SECURED AT THEIR UPPER EXTREMITIES TO THE UPPER EXTREMITY OF SAID SHELL AND EXTENDING DOWNWARDLY AND OUTWARDLY THEREFROM INTO ENGAGEMENT WITH SAID TRACK MEMBERS, SAID TRACK MEMBERS BEING PROVIDED WITH A VERTICAL SLIDE CHANNEL FOR RECEIVING AND GUIDING SAID SPRING CLIPS VERTICALLY AS SAID SHELL IS MOVED VERTICALLY.
Claim 2
Dependent Claim
99 words
A CEILING FIXTURE FOR AN ELECTRIC LAMP BULB COMPRISING: A PLASTIC RING ADAPTED TO BE INSERTED IN AN OPENING IN A CEILING, A TUBULAR LAMP ENCLOSING SHELL INSERTED UPWARDLY THROUGH SAID PLASTER RING; VERTICAL TRACK MEMBERS MOUNTED ON SAID ARISING FROM SAID PLASTER RING AND SURROUNDING SAID TUBULAR SHELL; SPRING CLIPS SECURED AT THEIR UPPER EXTREMITIES TO THE UPPER EXTREMITY OF SAID SHELL AND EXTENDING DOWNWARDLY AND OUTWARDLY THEREFROM INTO ENGAGEMENT WITH SAID TRACK MEMBERS, SAID TRACK MEMBERS BEING PROVIDED WITH A VERTICAL SLIDE CHANNEL FOR RECEIVING AND GUIDING SAID SPRING CLIPS VERTICALLY AS SAID SHELL IS MOVED VERTICALLY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |