Patent US2983205A successfully refreshed from Google Patents.
US2983205A
Expired / Lapsed
US
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Mechanism associated with exposure meter for controlling the diaphragm in the camera equipped with interchangeable lens
Assignee: Individual
•
Filing: 1957-12-26
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Granted: 1961-05-09
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Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Maitani Yoshihisa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:41
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/04; G03B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |