US1189112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-parachute for aeronauts.
Assignee: Individual
•
Filing: 1915-08-24
•
Granted: 1916-06-27
•
Expires: 1935-08-24
Abstract
No abstract record available.
Inventors
- 👤 Claude R Howorth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:29
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/62; B64D17/72
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) | 1919-06-27 | 1919-12-27 | 1920-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-06-27 | 1923-12-27 | 1924-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-06-27 | 1927-12-27 | 1928-06-27 | $7700.00 | Window Closed / Lapsed |