Patent US2879959A successfully refreshed from Google Patents.
US2879959A
Expired / Lapsed
US
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Cowl securing means
Assignee: Boeing Co
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Filing: 1955-02-17
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Granted: 1959-03-31
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Expires: 1975-02-17
Abstract
No abstract record available.
Inventors
- 👤 John A Morrison
- 👤 Leroy H Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:07
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/122; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44966; Y10T24/44974; Y10T292/00; Y10T292/42
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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |