Patent US2887027A successfully refreshed from Google Patents.
US2887027A
Expired / Lapsed
US
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Shutter for a photographic camera
Assignee: Hittech Prontor GmbH
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Filing: 1953-10-14
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Granted: 1959-05-19
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Expires: 1973-10-14
Abstract
No abstract record available.
Inventors
- 👤 Karl F Rentschler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:08
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/36; G03B9/40; G03B9/10; G03B9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2531034A
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US652295A
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US1422460A
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GB155213A
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US1510597A
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US2165574A
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US2231094A
Cited
US2326077A
Cited
US2371072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |