Patent US2464174A successfully refreshed from Google Patents.
US2464174A
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Inverted float steam trap
Assignee: Crane Co
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Filing: 1944-12-21
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Granted: 1949-03-08
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Expires: 1964-12-21
Abstract
No abstract record available.
Inventors
- 👤 Edward W Carr
- 👤 Robert H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:39
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/20; F16T1/30; F16T1/305; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1890591A
Cited
US1972244A
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US1988127A
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US1979305A
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US2005926A
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US2157470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |