Patent US2079754A successfully refreshed from Google Patents.
US2479291A
Expired / Lapsed
US
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Hinged eyepiece holder for camera finders
Assignee: PIGNONS SA
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Filing: 1945-10-29
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Granted: 1949-08-16
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Expires: 1965-10-29
Abstract
No abstract record available.
Inventors
- 👤 Baer George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:41
CPC Classifications
G; G03; G03B; G03B13/00; G03B13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE533742C
Cited
US1914664A
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US1980546A
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GB414225A
Cited
US2040579A
Cited
GB447742A
Cited
US2200007A
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US2305665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |