US2916309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lighting fixtures
Assignee: Individual
•
Filing: 1956-09-12
•
Granted: 1959-12-08
•
Expires: 1976-09-12
Abstract
No abstract record available.
Inventors
- 👤 Wolar Isidore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:17
CPC Classifications
F; F21; F21V; F21V1/00; F21V21/00; F21V21/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US470514A
Cited
US1687166A
Cited
US1849423A
Cited
US1975885A
Cited
US2346426A
Cited
US2605987A
Cited
US2748261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |