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Patent US2440965A successfully refreshed from Google Patents.
US2440965A
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Improved tank for hydrocarbon fuels
Assignee: Wingfoot Corp
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Filing: 1943-03-19
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Granted: 1948-05-04
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Expires: 1963-03-19
Abstract
No abstract record available.
Inventors
- 👤 James A Merill
- 👤 Lorin B Sebrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
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; Y10T428/31504; Y10T428/31725; Y10T428/31739; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3602; Y10T442/3642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1931922A
Cited
US2071250A
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US2130948A
Cited
US2216835A
Cited
US2252554A
Cited
US2421613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |