US2270931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Field glass holder
Assignee: Individual
•
Filing: 1941-08-18
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Granted: 1942-01-27
•
Expires: 1961-08-18
Abstract
No abstract record available.
Inventors
- 👤 Leonard C Corcoran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:06
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/002; F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/043; F16M11/048; F16M11/06; F16M11/10; F16M11/20; F16M11/2007; F16M11/2021; F16M13/00; F16M13/04; G02B23/00; G02B23/16; G02B23/18; Y; Y10; Y10S; Y10S224/00; Y10S224/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-01-26 | 1945-07-28 | 1946-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-26 | 1949-07-28 | 1950-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-26 | 1953-07-28 | 1954-01-27 | $7700.00 | Window Closed / Lapsed |