US1514948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoscopic range finder
Assignee: Thales Optronics Ltd
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Filing: 1921-08-16
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Granted: 1924-11-11
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Expires: 1941-08-16
Abstract
No abstract record available.
Inventors
- 👤 Barr Archibald
- 👤 Stroud William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:19
CPC Classifications
G; G01; G01C; G01C3/00; G01C3/10; G01C3/14; G01C3/16
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) | 1927-11-11 | 1928-05-12 | 1928-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-11-11 | 1932-05-12 | 1932-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-11-11 | 1936-05-12 | 1936-11-11 | $7700.00 | Window Closed / Lapsed |