US1350954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optophone
Assignee: Thales Optronics Ltd
•
Filing: 1919-11-26
•
Granted: 1920-08-24
•
Expires: 1939-11-26
Abstract
No abstract record available.
Inventors
- 👤 Barr Archibald
- 👤 Stroud William
- 👤 D Albe Edmund Edward Fournier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:38
CPC Classifications
G; G09; G09B; G09B21/00; G09B21/001; G09B21/006
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) | 1923-08-24 | 1924-02-23 | 1924-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-08-24 | 1928-02-23 | 1928-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-08-24 | 1932-02-23 | 1932-08-24 | $7700.00 | Window Closed / Lapsed |