Patent US3381619A successfully refreshed from Google Patents.
US3381619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear hydraulical machine
Assignee: PREMATEX SA
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Filing: 1966-07-01
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Granted: 1968-05-07
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Mingot Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:35
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0007; F04C15/0019; F01; F01C; F01C1/00; F01C1/08; F01C1/12; F01C1/14; F01C1/16; F04C2/00; F04C2/08; F04C2/12; F04C2/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN HYDRAULICAL GEAR MACHINE, PARTICULARLY A MOTOR, A PUMP AND SO ON, COMPRISING AT LEAST TWO TOOTHED WHEELS PIVOTED IN A BODY MESHING THE ONE WITH THE OTHER, IN WHICH THE DIAMETER OF THE TRUNNIONS BEARING AT LEAST ONE OF THESE TOOTHED WHEELS IS SUBSTANTIALLY EQUAL TO THE ONE OF A CIRCLE PASSING THROUGH THE SUMMIT OF THE TEETH OF THE CORRESPONDING TOOTHED WHEEL AND WHICH COMPRISES A PISTON, LINEARLY DISPLACEABLE IN A BORE PROVIDED IN THE BODY, AND PRESENTING A FRONTAL FACE COMPRISING CONCAVE SURFACES INTENDED TO COOPERATE WITH THE TEETHING OF THE
Claim 2
Dependent Claim
94 words
AN HYDRAULICAL GEAR MACHINE, PARTICULARLY A MOTOR, A PUMP AND SO ON, COMPRISING AT LEAST TWO TOOTHED WHEELS PIVOTED IN A BODY MESHING THE ONE WITH THE OTHER, IN WHICH THE DIAMETER OF THE TRUNNIONS BEARING AT LEAST ONE OF THESE TOOTHED WHEELS IS SUBSTANTIALLY EQUAL TO THE ONE OF A CIRCLE PASSING THROUGH THE SUMMIT OF THE TEETH OF THE CORRESPONDING TOOTHED WHEEL AND WHICH COMPRISES A PISTON, LINEARLY DISPLACEABLE IN A BORE PROVIDED IN THE BODY, AND PRESENTING A FRONTAL FACE COMPRISING CONCAVE SURFACES INTENDED TO COOPERATE WITH THE TEETHING OF THE
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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |