Patent US3410629A successfully refreshed from Google Patents.
US3410629A
Expired / Lapsed
US
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Zoom type anamorphic eyepiece
Assignee: Bausch and Lomb Inc
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Filing: 1965-03-26
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Granted: 1968-11-12
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Expires: 1985-03-26
Abstract
No abstract record available.
Inventors
- 👤 Vance J Carpenter
- 👤 Jr John M Simpson
- 👤 George F Ziegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:34
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/08; G02B15/00; G02B15/14; G02B15/144; G02B15/1441; G02B15/144111
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2500017A
Cited
US2924145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |