US2619302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low aspect ratio aircraft
Assignee: Individual
•
Filing: 1948-08-25
•
Granted: 1952-11-25
•
Expires: 1968-08-25
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Loedding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:07
CPC Classifications
B; B64; B64C; B64C39/00; B64C39/10; B64D; B64D27/00; B64D27/02; B64D27/16; B64D27/18; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |