Patent US3222987A successfully refreshed from Google Patents.
US3222987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens mounting and adjustment means for telescopic sights
Assignee: American Optical Corp
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Filing: 1960-06-10
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Granted: 1965-12-14
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Expires: 1980-06-10
Abstract
No abstract record available.
Inventors
- 👤 Norman A Wrigglesworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:40
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2024018A
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US2483897A
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GB704350A
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US2668469A
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US2955512A
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US2948188A
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |