Patent US3198126A successfully refreshed from Google Patents.
US3198126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motor and pump combinations
Assignee: Individual
•
Filing: 1963-09-16
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Granted: 1965-08-03
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Minich Geza Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:13
CPC Classifications
F; F04; F04C; F04C11/00; F04C11/005; F04C11/006; F04C2/00; F04C2/08; F04C2/10; F04C2/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A HYDRAULIC MOTOR AND PUMP COMBINATION COMPRISING A STATIONARY CASING, A HIGH PRESSURE FLUID INLET TO THE CASING, A LOW PRESSURE FLUID OUTLET TO THE CASING, A LOW PRESSURE FLUID INLET TO THE CASING, A HIGH PRESSURE FLUID OUTLET TO THE CASING, AND ROTATABLE MEANS COMPRISING AN INTERNAL GEAR, A CENTRAL GEAR MOUNTED CONCENTRICALLY WITH SAID INTERNAL GEAR AND AT LEAST ONE PAIR OF GEARS EACH MESHING WITH SAID CENTRAL GEAR AND SAID INTERNAL GEAR FOR FORMING SEALS BETWEEN THE LOW PRESSURE FLUID INLET AND OUTLET AND BETWEEN THE HIGH PRESSURE FLUID INLET AND OUTLET AND FOR
Claim 2
Dependent Claim
97 words
A HYDRAULIC MOTOR AND PUMP COMBINATION COMPRISING A STATIONARY CASING, A HIGH PRESSURE FLUID INLET TO THE CASING, A LOW PRESSURE FLUID OUTLET TO THE CASING, A LOW PRESSURE FLUID INLET TO THE CASING, A HIGH PRESSURE FLUID OUTLET TO THE CASING, AND ROTATABLE MEANS COMPRISING AN INTERNAL GEAR, A CENTRAL GEAR MOUNTED CONCENTRICALLY WITH SAID INTERNAL GEAR AND AT LEAST ONE PAIR OF GEARS EACH MESHING WITH SAID CENTRAL GEAR AND SAID INTERNAL GEAR FOR FORMING SEALS BETWEEN THE LOW PRESSURE FLUID INLET AND OUTLET AND BETWEEN THE HIGH PRESSURE FLUID INLET AND OUTLET AND FOR
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |