Patent US3015344A successfully refreshed from Google Patents.
US3015344A
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Hydraulic control valve
Assignee: Schlepperwerk Nordhausen VEB
•
Filing: 1959-05-25
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Granted: 1962-01-02
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Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Hausmann Werner
- 👤 Vogel Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:10
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86654; Y10T137/87048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US679533A
Cited
US916262A
Cited
US1099161A
Cited
US1947973A
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US2165096A
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US2221462A
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US2407812A
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US2439515A
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US2541958A
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US2649076A
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US2863290A
Cited
US2777426A
Cited
US2912826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |