US2446811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-sealing fuel tank construction
Assignee: Goodrich Corp
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Filing: 1943-03-03
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Granted: 1948-08-10
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Expires: 1963-03-03
Abstract
No abstract record available.
Inventors
- 👤 Richard A Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:39
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/06; Y; Y10; Y10S; Y10S220/00; Y10S220/90; Y10S428/00; Y10S428/912; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24099; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528
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) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |