US2644556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture hinge construction
Assignee: JOLECO Corp
•
Filing: 1949-04-15
•
Granted: 1953-07-07
•
Expires: 1969-04-15
Abstract
No abstract record available.
Inventors
- 👤 George W Ledbetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:00
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21V17/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1391550A
Cited
US1509853A
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US2227892A
Cited
US2427084A
Cited
US2440186A
Cited
US2440603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |