Patent US3385637A successfully refreshed from Google Patents.
US3385637A
Expired / Lapsed
US
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Control valve
Assignee: Studebaker Worthington Inc
•
Filing: 1966-07-11
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Granted: 1968-05-28
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Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Kersting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:23
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/26; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US919036A
Cited
US1356298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |