US3370907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated zoom and focus control with selective optical paths to viewfinder
Assignee: Bell and Howell Co
•
Filing: 1965-02-04
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Granted: 1968-02-27
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Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 Cox Arthur
- 👤 Jr Henry J Koeber
- 👤 Liszczak Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:56
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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |