US1864964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sail, parachute, airplane wing, and the like
Assignee: Individual
•
Filing: 1930-08-30
•
Granted: 1932-06-28
•
Expires: 1950-08-30
Abstract
No abstract record available.
Inventors
- 👤 Pembroke A Vaile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:04
CPC Classifications
B; B64; B64C; B64C23/00; B63; B63H; B63H9/00; B63H9/04; B63H9/06; B64C21/00; B64D; B64D17/00; B63H9/08; Y; Y02; Y02T; Y02T50/00; Y02T50/10
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) | 1935-06-28 | 1935-12-28 | 1936-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-28 | 1939-12-28 | 1940-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-28 | 1943-12-28 | 1944-06-28 | $7700.00 | Window Closed / Lapsed |