Patent US2624831A successfully refreshed from Google Patents.
US2624831A
Expired / Lapsed
US
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Unitary portable photographic illumination source
Assignee: Individual
•
Filing: 1949-06-28
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Granted: 1953-01-06
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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 13:41
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/16; G03B17/00; G03B17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US988824A
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US2134788A
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US2341541A
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US2408764A
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US2343552A
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US2358796A
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US2508242A
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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 |