Patent US2843832A successfully refreshed from Google Patents.
US2843832A
Expired / Lapsed
US
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Photographic flashlight connection plug
Assignee: Rollei Werke Franke und Heidecke GmbH and Co KG
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Filing: 1953-10-20
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Granted: 1958-07-15
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Expires: 1973-10-20
Abstract
No abstract record available.
Inventors
- 👤 Bretthauer Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:47
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1631191A
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US2289172A
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US2401817A
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US2448725A
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US2622496A
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US2584528A
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US2749819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |