US2624831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary portable photographic illumination source
Assignee: Individual
•
Filing: 1949-06-28
•
Granted: 1953-01-06
•
Expires: 1969-06-28
Abstract
No abstract record available.
Inventors
- 👤 Edward R Farber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:48
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/16; G03B17/00; G03B17/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US988824A
Cited
US2134788A
Cited
US2341541A
Cited
US2408764A
Cited
US2343552A
Cited
US2358796A
Cited
US2508242A
Cited
US2489076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |