US2809762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessel
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1953-09-25
•
Granted: 1957-10-15
•
Expires: 1973-09-25
Abstract
No abstract record available.
Inventors
- 👤 Carlos J Cardona
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:13
CPC Classifications
F; F17; F17C; F17C1/00; F17C1/16; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2201/05; F17C2201/054; F17C2201/056; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0345; F17C2203/035; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0612; F17C2203/0614; F17C2203/0621; F17C2203/0624; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0646; F17C2203/0658; F17C2203/066; F17C2203/0663; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0305; F17C2209/00; F17C2209/21; F17C2209/2154; F17C2221/00; F17C2221/03; F17C2221/031; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123; F17C2223/03; F17C2223/036; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/012; F17C2260/02; F17C2260/021; F17C2260/03; F17C2260/035; F17C2260/036; F17C2260/04; F17C2260/042; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0189; F17C2270/05; F17C2270/0563; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1966241A
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US2113060A
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GB586183A
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US2653887A
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US2594693A
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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) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |