Patent US2661182A successfully refreshed from Google Patents.
US2661182A
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Multiway piston valve with removable bushing and packing structure
Assignee: Individual
•
Filing: 1948-02-02
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Granted: 1953-12-01
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Expires: 1968-02-02
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Kipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:40
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; F16K11/0712; F16K3/00; F16K3/22; F16K3/24; F16K3/26; Y; Y10; Y10S; Y10S251/00; Y10S251/90; Y10S277/00; Y10S277/91; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/86702; Y10T137/8671
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US137559A
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US207871A
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GB434382A
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US2469921A
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US2485504A
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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) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |