US2814721A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture for carrying a plurality of fluorescent lights
Assignee: Individual
•
Filing: 1954-08-12
•
Granted: 1957-11-26
•
Expires: 1974-08-12
Abstract
No abstract record available.
Inventors
- 👤 Ben L Fry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:13
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S8/06; F21V; F21V19/00; F21V19/0075; F21Y; F21Y2103/00; F21Y2103/30; F21Y2103/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1658206A
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US1900747A
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US2216084A
Cited
US2435715A
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US2472597A
Cited
US2579026A
Cited
US2574886A
Cited
US2767946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |