Patent US3337914A successfully refreshed from Google Patents.
US1159720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeroplane.
Assignee: Individual
•
Filing: 1911-08-22
•
Granted: 1915-11-09
•
Expires: 1931-08-22
Abstract
No abstract record available.
Inventors
- 👤 John Thomas Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:02
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/385; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/15; Y10T74/1558; Y10T74/1587; Y10T74/1589
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1918-11-08 | 1919-05-10 | 1919-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-11-08 | 1923-05-10 | 1923-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-11-08 | 1927-05-10 | 1927-11-09 | $7700.00 | Window Closed / Lapsed |