Patent US2590829A successfully refreshed from Google Patents.
US2590829A
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Curtain shutter camera with flash synchronizer attachment
Assignee: Ernst Leitz Wetzlar GmbH
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Filing: 1949-11-25
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Granted: 1952-03-25
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Expires: 1969-11-25
Abstract
No abstract record available.
Inventors
- 👤 Wagner Adam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:47
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2326364A
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US2284486A
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US2291190A
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DE724336C
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US2455365A
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US2520638A
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US2514302A
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US2517407A
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US2471219A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |