US2640146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture for elongated tubular lamps
Assignee: L J SEGIL Co
•
Filing: 1947-06-17
•
Granted: 1953-05-26
•
Expires: 1967-06-17
Abstract
No abstract record available.
Inventors
- 👤 Smith Gean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:03
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21V17/101; F21V19/00; F21V19/0075; F21V19/008; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2344935A
Cited
US2358784A
Cited
US2249318A
Cited
US2264141A
Cited
US2342570A
Cited
US2362091A
Cited
US2408783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |