US2438965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-sealing fuel tank
Assignee: Goodrich Corp
•
Filing: 1941-11-04
•
Granted: 1948-04-06
•
Expires: 1961-11-04
Abstract
No abstract record available.
Inventors
- 👤 Paul J Dasher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:23
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/06; Y; Y10; Y10S; Y10S428/00; Y10S428/912; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249976; Y10T428/249987; Y10T428/249988; Y10T428/31504; Y10T428/31826; Y10T428/3183; Y10T428/31855; Y10T428/31909; Y10T428/31924; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3602; Y10T442/3642; Y10T442/3854; Y10T442/3911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325448A
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US1297305A
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US1386791A
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US1406667A
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US1381175A
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GB301089A
Cited
US1779397A
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US1931922A
Cited
US2102590A
Cited
US2181188A
Cited
US2194341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-06 | 1951-10-06 | 1952-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-06 | 1955-10-06 | 1956-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-06 | 1959-10-06 | 1960-04-06 | $7700.00 | Window Closed / Lapsed |