US3438689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zoom telescopic finder
Assignee: Eastman Kodak Co
•
Filing: 1967-01-24
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Granted: 1969-04-15
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Expires: 1987-01-24
Abstract
No abstract record available.
Inventors
- 👤 Clyde W Wehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:40
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/14; G02B15/00; G02B15/14; G02B15/144; G02B15/1445; G02B15/144515; G02B15/145; G02B15/1455; G02B15/145531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2454696A
Cited
US2578574A
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US2859654A
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US2945415A
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US3051052A
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US3043181A
Cited
US3045545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |