US2953029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kinematic control system, chiefly for pumps having an adjustable throughput
Assignee: FRANCAISE POUR LA SEPARATION L'EMULSION ET LE MELANGE SA
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Filing: 1957-01-14
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Granted: 1960-09-20
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Expires: 1977-01-14
Abstract
No abstract record available.
Inventors
- 👤 Caillaud Michel Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:35
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/58; B67D7/62; B67D7/64; G; G01; G01F; G01F11/00; G01F11/02; G01F11/04; G01F11/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1112832A
Cited
US2183436A
Cited
FR855890A
Cited
US2303597A
Cited
US2548738A
Cited
CH291295A
Cited
US2587395A
Cited
US2737896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |