US2910925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Focusing mechanism for photographic cameras
Assignee: Agfa Gevaert NV
•
Filing: 1953-11-25
•
Granted: 1959-11-03
•
Expires: 1973-11-25
Abstract
No abstract record available.
Inventors
- 👤 Winkler Alfred
- 👤 Kaden Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:45
CPC Classifications
G; G03; G03B; G03B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE118179C
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DE179677C
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US598569A
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DE594064C
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US1883798A
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US2045037A
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DE646906C
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US2113319A
Cited
US2305301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |