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Patent US2835788A successfully refreshed from Google Patents.
US2835788A
Expired / Lapsed
US
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Fluorescent island light fixture
Assignee: OSCAR PHILLIPS CO
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Filing: 1952-08-25
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Granted: 1958-05-20
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Expires: 1972-08-25
Abstract
No abstract record available.
Inventors
- 👤 Phillips Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:57
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2298824A
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US2327552A
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US2314420A
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US2328445A
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US2347113A
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GB563733A
Cited
US2659811A
Cited
US2625646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |