US2614460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical imaging system
Assignee: WILLIAM MILLER Corp
•
Filing: 1951-05-14
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Granted: 1952-10-21
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Expires: 1971-05-14
Abstract
No abstract record available.
Inventors
- 👤 William W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:35
CPC Classifications
G; G02; G02B; G02B17/00; G02B17/08; G02B17/0884; G02B17/0888; G02B17/0804; G02B17/0812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2252246A
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US1747261A
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US1829634A
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US1753222A
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US2193422A
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US2236420A
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US2410550A
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US2540417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |