US2765993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propelled aircraft with channel control means
Assignee: Individual
•
Filing: 1955-03-16
•
Granted: 1956-10-09
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Expires: 1975-03-16
Abstract
No abstract record available.
Inventors
- 👤 Willard R Custer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:41
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/38; Y; Y02; Y02T; Y02T50/00; Y02T50/30; Y02T50/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |