Patent US4533100A successfully refreshed from Google Patents.
US2881684A
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US
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Camera with objective coupled shutter release lock and picture boundary selector
Assignee: Ernst Leitz Wetzlar GmbH
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Filing: 1955-03-15
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Granted: 1959-04-14
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Expires: 1975-03-15
Abstract
No abstract record available.
Inventors
- 👤 Brohl August
- 👤 Wehrenfennig Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:19
CPC Classifications
G; G03; G03B; G03B13/00; G03B13/18; G03B13/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1893327A
Cited
US2122671A
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US2187246A
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US2620712A
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US2655084A
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FR1064773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |