US3485154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exposure measuring mechanism of cameras
Assignee: Nikon Corp
•
Filing: 1966-12-01
•
Granted: 1969-12-23
•
Expires: 1986-12-01
Abstract
No abstract record available.
Inventors
- 👤 Takeo Yamada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:15
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/04; G03B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2879702A
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US3040639A
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US3087395A
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US3078772A
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US3072029A
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US3037436A
Cited
US3262380A
Cited
US3183807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |