US2763772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic illuminating device
Assignee: Individual
•
Filing: 1952-08-25
•
Granted: 1956-09-18
•
Expires: 1972-08-25
Abstract
No abstract record available.
Inventors
- 👤 Sheldon H Hine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:18
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1216696A
Cited
US1775368A
Cited
US2038506A
Cited
US2064354A
Cited
US1950445A
Cited
US2078573A
Cited
US2085580A
Cited
US2398754A
Cited
US2501405A
Cited
FR1007957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |