US2953960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical sights having horizon indicating means
Assignee: W L MAXSON CORP
•
Filing: 1955-07-07
•
Granted: 1960-09-27
•
Expires: 1975-07-07
Abstract
No abstract record available.
Inventors
- 👤 Azor D Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:32
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/02; G02B23/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2310446A
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US1760163A
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US1935740A
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US1980886A
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US2134932A
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US2197890A
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GB551880A
Cited
US2395250A
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US2473524A
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US2492888A
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US2608001A
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US2752684A
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US2645150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |