US2874271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indirect lighting fixture
Assignee: Individual
•
Filing: 1953-06-09
•
Granted: 1959-02-17
•
Expires: 1973-06-09
Abstract
No abstract record available.
Inventors
- 👤 Willis L Lipscomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:26
CPC Classifications
F; F21; F21V; F21V29/00; F21V29/50; F21V29/70; F21S; F21S8/00; F21S8/04; F21S8/06; F21V11/00; F21V11/06; F21V15/00; F21V15/01; F21V19/00; F21V19/0075; F21V7/00; F21V7/0008; F21V17/00; F21V17/06; F21V23/00; F21V23/02; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732484A
Cited
US2341895A
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US2319732A
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US2421967A
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US2490191A
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US2597739A
Cited
US2659807A
Cited
US2703360A
Cited
US2761058A
Cited
US2777053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |