US3261265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid motor
Assignee: Individual
•
Filing: 1964-07-01
•
Granted: 1966-07-19
•
Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Warren C Weik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:39
CPC Classifications
F; F03; F03C; F03C1/00; F03C1/08; F03C1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
A FLUID MOTOR, AS FOR DRIVING A LOAD WITH ENERGY FROM A SOURCE OF PRESSURIZED FLUID, COMPRISING: A MOTOR BODY DEFINING FIRST AND SECOND PORTED CYLINDRICAL CAVITIES THEREIN; A FIRST DRIVE PISTON CONTAINED IN SAID FIRST CAVITY AND A SECOND DRIVE PISTON CONTAINED IN SAID SECOND CAVITY; MEANS MECHANICALLY INTERCONNECTING SAID FIRST AND SAID SECOND DRIVE PISTONS; A FIRST VALVE MEANS COOPERATING WITH SAID FIRST PORTED CAVITY TO ALTERNATELY PRESSURIZE SAID FIRST PORTED CAVITY FROM SAID SOURCE AND RELIEVE SAID FIRST PORTED CAVITY, POSITIONED IN SAID FIRST PORTED CAVITY AND INCLUDING A FIRST CONTROL PISTON FOR MOTIVATING SAID FIRST VALVE MEANS; A SECOND VALVE MEANS COOPERATING WITH SAID SECOND PORTED CAVITY TO ALTERNATELY PRESSURIZE SAID SECOND PORTED CAVITY FROM SAID SOURCE AND RELIEVE SAID SECOND PORTED CAVITY; POSITIONED IN SAID SECOND PORTED CAVITY AND INCLUDING A SECOND CONTROL PISTON FOR MOTIVATING SAID SECOND DRIVE MEANS; MEANS INTERCONNECTED SAID FIRST AND SECOND VALVE MEANS IN REVERSED RELATIONSHIP; AND A CONTROL VALVE MEANS FOR ALTERNATELY BY-PASSING ONE OF SAID CONTROL PISTONS WHEREBY TO RECIPROCATE MENT OF SAID DRIVE PISTONS WHEREBY TO RECIPROCATE SAID DRIVE PISTONS AND INCLUDING: A SLIDER VALVE MEANS FOR BY-PASSING SAID CONTROL PISTON, A SPRING MEANS TO TRANSLATE MOVEMENT OF SAID DRIVE PISTONS INTO A FORCE ON SAID SLIDER VALVE; AND LOCK MEANS TO LOCK SAID SLIDER VALVE IN TWO STABLE POSITIONS UNDER CONTROL OF SAID DRIVE PISTONS.
Claim 2
Dependent Claim
229 words
A FLUID MOTOR, AS FOR DRIVING A LOAD WITH ENERGY FROM A SOURCE OF PRESSURIZED FLUID, COMPRISING: A MOTOR BODY DEFINING FIRST AND SECOND PORTED CYLINDRICAL CAVITIES THEREIN; A FIRST DRIVE PISTON CONTAINED IN SAID FIRST CAVITY AND A SECOND DRIVE PISTON CONTAINED IN SAID SECOND CAVITY; MEANS MECHANICALLY INTERCONNECTING SAID FIRST AND SAID SECOND DRIVE PISTONS; A FIRST VALVE MEANS COOPERATING WITH SAID FIRST PORTED CAVITY TO ALTERNATELY PRESSURIZE SAID FIRST PORTED CAVITY FROM SAID SOURCE AND RELIEVE SAID FIRST PORTED CAVITY, POSITIONED IN SAID FIRST PORTED CAVITY AND INCLUDING A FIRST CONTROL PISTON FOR MOTIVATING SAID FIRST VALVE MEANS; A SECOND VALVE MEANS COOPERATING WITH SAID SECOND PORTED CAVITY TO ALTERNATELY PRESSURIZE SAID SECOND PORTED CAVITY FROM SAID SOURCE AND RELIEVE SAID SECOND PORTED CAVITY; POSITIONED IN SAID SECOND PORTED CAVITY AND INCLUDING A SECOND CONTROL PISTON FOR MOTIVATING SAID SECOND DRIVE MEANS; MEANS INTERCONNECTED SAID FIRST AND SECOND VALVE MEANS IN REVERSED RELATIONSHIP; AND A CONTROL VALVE MEANS FOR ALTERNATELY BY-PASSING ONE OF SAID CONTROL PISTONS WHEREBY TO RECIPROCATE MENT OF SAID DRIVE PISTONS WHEREBY TO RECIPROCATE SAID DRIVE PISTONS AND INCLUDING: A SLIDER VALVE MEANS FOR BY-PASSING SAID CONTROL PISTON, A SPRING MEANS TO TRANSLATE MOVEMENT OF SAID DRIVE PISTONS INTO A FORCE ON SAID SLIDER VALVE; AND LOCK MEANS TO LOCK SAID SLIDER VALVE IN TWO STABLE POSITIONS UNDER CONTROL OF SAID DRIVE PISTONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |