Patent US2657005A successfully refreshed from Google Patents.
US2657005A
Expired / Lapsed
US
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Valve with stem sealing arrangement
Assignee: General Electric Co
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Filing: 1951-03-07
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Granted: 1953-10-27
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Expires: 1971-03-07
Abstract
No abstract record available.
Inventors
- 👤 Francis H Van Nest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:28
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/02; F16K39/024; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/86936; Y10T137/86944; Y10T137/86976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1464303A
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USRE19151E
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US961505A
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US1148160A
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US1362986A
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US1968779A
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US1905014A
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US2049516A
Cited
DE700250C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |