US3560118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary motor or pump
Assignee: Individual
•
Filing: 1969-06-11
•
Granted: 1971-02-02
•
Expires: 1989-06-11
Abstract
Abstract A DEFORMABLE STATOR FORMED OF OPPOSED ESSENTIALLY SEMI-CIRCULAR LINEARLY MOVABLE SECTIONS HAVING OVERLAPPING EXTENSIONS ON EITHER SIDE OF A RADIALLY VANBED ROTOR ENCLOSURE A PAIR OF VARIABLE VOLUME MENISCOIDAL STATOR CHAMBER SECTIONS WHEREBY A FLUID PRESSURE UNIT IS PROVIDED UTILIZABLE EITHER AS A HYDRAULIC MOTOR CAPABLE OF VARIABLE TORQUE OUTPUT OR A PUMP OF PREDETERMINED PRESSURE OUTPUT RESPONSIVE TO AUTOMATIC CNTROL OF ITS VOLUMETRIC DISPLACEMENT RATE.
Inventors
- 👤 Derso W Palachik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:34
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |