Patent US3200699A successfully refreshed from Google Patents.
US3200699A
Expired / Lapsed
US
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Camera zoom objective and zoom viewfinder with flexible cable coupling
Assignee: Bell and Howell Co
•
Filing: 1959-11-23
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Granted: 1965-08-17
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Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Howard K Graves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:20
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/12; G03B17/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2900869A
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US2995061A
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |