Patent US2628061A successfully refreshed from Google Patents.
US2628061A
Expired / Lapsed
US
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Swivel type air inlet and throttle valve
Assignee: HARDSOCG PNEUMATIC TOOL Co
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Filing: 1947-08-23
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Granted: 1953-02-10
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Expires: 1967-08-23
Abstract
No abstract record available.
Inventors
- 👤 Horace A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:38
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US96545A
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US272040A
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US710674A
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US1026564A
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US1047863A
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US1953242A
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US2008657A
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US2038508A
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US2388026A
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US2362608A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |