Patent US2681045A successfully refreshed from Google Patents.
US2681045A
Expired / Lapsed
US
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Motor distributing valve with a load feel area
Assignee: Vickers Inc
•
Filing: 1952-06-28
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Granted: 1954-06-15
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Expires: 1972-06-28
Abstract
No abstract record available.
Inventors
- 👤 Ernst F Klessig
- 👤 Glenn M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:43
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/14; B; B62; B62D; B62D5/00; B62D5/06; B62D5/08; B62D5/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US787480A
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US1600542A
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US2307910A
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US2361130A
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US2383278A
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US2396643A
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US2627847A
Cited
US2596242A
Cited
US2608263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |