US1729354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeroplane
Assignee: Individual
•
Filing: 1927-11-25
•
Granted: 1929-09-24
•
Expires: 1947-11-25
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Mounce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:36
CPC Classifications
G; G09; G09F; G09F21/00; G09F21/06; G09F21/12; G09F21/14; B; B64; B64D; B64D5/00
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) | 1932-09-23 | 1933-03-25 | 1933-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-09-23 | 1937-03-25 | 1937-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-09-23 | 1941-03-25 | 1941-09-24 | $7700.00 | Window Closed / Lapsed |