Patent US3124079A successfully refreshed from Google Patents.
US3124079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jxanjacquxs j joyer
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:49
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0032; F01B3/0041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A HYDRAULIC ROTARY MACHINE OF THE TYPE COMPRISING A CYLINDER HEAD PROVIDED WITH PASSAGEWAYS FOR AN OPERATIVE FLUID, SAID PASSAGEWAYS OPENING IN PORTS ON A FLAT SURFACE OF SAID CYLINDER HEAD, A DRUM ADAPTED TO ROTATE AROUND ITS AXIS PERPENDICULAR TO SAID FLAT SURFACE OF SAID CYLINDER HEAD AND PROVIDED WITH A NUMBER OF CYLINDERS WITH PARALLEL AXES, SAID CYLINDERS BEING DISTRIBUTED UNIFORMLY AROUND THE DRUM AXIS AND OPENING IN PORTS PROVIDED IN A FLAT SURFACE FACING AND PARALLEL TO THE FLAT SURFACE OF THE CYLINDER HEAD, A PISTON IN EACH CYLINDER AND MEANS TO ROTATE THE DRUM AND MEANS TO RECIPROCATE SAID PISTONS IN SAID CYLINDERS DURING ROTATION OF THE DRUM, MEANS TO URGE SAID DRUM TOWARDS SAID CYLINDER HEAD; A THRUST BEARING INSERTED BETWEEN THE DRUM AND THE CYLINDER HEAD AND SPACING THE FACING FLAT SURFACES PROVIDED WITH PORTS OF SAID DRUM AND OF SAID CYLINDER HEAD, A VALVE PLATE INSERTED IN THE SPACE BETWEEN THE DRUM AND THE CYLINDER HEAD, SAID VALVE PLATE BEING PROVIDED WITH PORTS OPENING ON BOTH ITS OPPOSITE SURFACES FOR COMMUNICATION BETWEEN
Claim 2
Dependent Claim
179 words
A HYDRAULIC ROTARY MACHINE OF THE TYPE COMPRISING A CYLINDER HEAD PROVIDED WITH PASSAGEWAYS FOR AN OPERATIVE FLUID, SAID PASSAGEWAYS OPENING IN PORTS ON A FLAT SURFACE OF SAID CYLINDER HEAD, A DRUM ADAPTED TO ROTATE AROUND ITS AXIS PERPENDICULAR TO SAID FLAT SURFACE OF SAID CYLINDER HEAD AND PROVIDED WITH A NUMBER OF CYLINDERS WITH PARALLEL AXES, SAID CYLINDERS BEING DISTRIBUTED UNIFORMLY AROUND THE DRUM AXIS AND OPENING IN PORTS PROVIDED IN A FLAT SURFACE FACING AND PARALLEL TO THE FLAT SURFACE OF THE CYLINDER HEAD, A PISTON IN EACH CYLINDER AND MEANS TO ROTATE THE DRUM AND MEANS TO RECIPROCATE SAID PISTONS IN SAID CYLINDERS DURING ROTATION OF THE DRUM, MEANS TO URGE SAID DRUM TOWARDS SAID CYLINDER HEAD; A THRUST BEARING INSERTED BETWEEN THE DRUM AND THE CYLINDER HEAD AND SPACING THE FACING FLAT SURFACES PROVIDED WITH PORTS OF SAID DRUM AND OF SAID CYLINDER HEAD, A VALVE PLATE INSERTED IN THE SPACE BETWEEN THE DRUM AND THE CYLINDER HEAD, SAID VALVE PLATE BEING PROVIDED WITH PORTS OPENING ON BOTH ITS OPPOSITE SURFACES FOR COMMUNICATION BETWEEN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |