Patent US2510098A successfully refreshed from Google Patents.
US2510098A
Expired / Lapsed
US
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Tank vent
Assignee: Individual
•
Filing: 1947-01-20
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Granted: 1950-06-06
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Expires: 1967-01-20
Abstract
No abstract record available.
Inventors
- 👤 John W Geisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:05
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/36; F16K17/366; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0874; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/3099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US412982A
Cited
US484348A
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US1388602A
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US924641A
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US1698990A
Cited
US1859479A
Cited
US2194348A
Cited
US2240457A
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US2306974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |