US2763908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure fastener for aircraft
Assignee: McDonnell Aircraft Corp
•
Filing: 1952-07-30
•
Granted: 1956-09-25
•
Expires: 1972-07-30
Abstract
No abstract record available.
Inventors
- 👤 Charles F Marschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:44
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2323260A
Cited
US2374679A
Cited
US2385180A
Cited
US2390173A
Cited
US2504087A
Cited
US2527408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |