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US2935005A
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US
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Intra-lens shutter with delayed action device
Assignee: Hittech Prontor GmbH
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Filing: 1956-08-17
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Granted: 1960-05-03
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Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 Fritz P Barth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:22
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2081727A
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US2245248A
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US2663233A
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US2727445A
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US2710568A
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US2715357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |