US3051035A
Expired / Lapsed
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Flexible pyroscopes
Assignee: American Optical Corp
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Filing: 1960-05-17
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Granted: 1962-08-28
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Expires: 1980-05-17
Abstract
No abstract record available.
Inventors
- 👤 Andrew A Root
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:30
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/44; G02B6/4401; G02B6/4415; G02B6/4427; G02B6/4428; F; F23; F23M; F23M11/00; F23M11/04; F23M11/045; F23N; F23N5/00; F23N5/02; F23N5/08; G02B6/24; G02B6/36; G02B6/38; G02B6/3807; G02B6/381; G02B6/3814; G02B6/42; G02B6/4296; G02B6/26; G02B6/35; G02B6/3502; G02B6/3504; G02B6/3833; G02B6/3854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |