US3085152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture with ceiling panel supporting element
Assignee: Individual
•
Filing: 1958-09-02
•
Granted: 1963-04-09
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Robert A D Schwartz
- 👤 Stephen W Lindheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:21
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/34; E04B9/345; F; F21; F21S; F21S8/00; F21S8/02; F21V; F21V21/00; F21V21/02; F21V21/04; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2309792A
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US2616533A
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US2643328A
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US2710336A
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US2803741A
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US2913575A
Cited
US2867719A
Cited
US2854565A
Cited
US2825798A
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US2845855A
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US2926237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |