US2567428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air valve for pressure gauges
Assignee: GEN SALES Co OF CADILLAC
•
Filing: 1945-03-05
•
Granted: 1951-09-11
•
Expires: 1965-03-05
Abstract
No abstract record available.
Inventors
- 👤 Leo O Greeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:31
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/072; F16K11/074; F16K11/0743; G; G01; G01L; G01L27/00; G01L27/007; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US885145A
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US954401A
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US1198216A
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US1801441A
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US1971187A
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US2042186A
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US2107114A
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US2103984A
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US2213149A
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US2233192A
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US2344913A
Cited
US2372606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |