US3289604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid device
Assignee: Individual
•
Filing: 1964-09-23
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Granted: 1966-12-06
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Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Gunnar A Wahlmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:29
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/10; F01B3/103; F01B3/109; F01B3/0032; F01B3/0044; F01B3/007; F01B3/0073; F01B3/0076; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A FLUID DEVICE WHEREIN A ROTATABLE SWASH MECHANISM IS UNIVERSALLY DRIVINGLY CONNECTED WITH A ROTATABLE CYLINDER MECHANISM AND A PLURALITY OF PISTONS ARE OPERATIVELY DISPOSED BETWEEN THE MECHANISM FOR RECIPROCATION IN THE CYLINDER MECHANISM, THE IMPROVEMENT FOR COMPRISING: AN ANNULAR BEARING RING HAVING A BEARING TRACK FORMED THEREIN, A PLURALITY OF BEARING SHOES SEATED ON AND SLIDABLE AROUND SAID TRACK, AND SPIDER MEANS ON THE WASH MECHANISM IN MESH WITH SAID SHOES WHEREBY SAID SHOES AND THE SWASH MECHANISM ROTATE TOGETHER AROUND AN AXIS OF ROTATION, SAID SHOES BEING UNIVERSALLY CONNECTED TO THE PISTONS.
Claim 2
Dependent Claim
95 words
IN A FLUID DEVICE WHEREIN A ROTATABLE SWASH MECHANISM IS UNIVERSALLY DRIVINGLY CONNECTED WITH A ROTATABLE CYLINDER MECHANISM AND A PLURALITY OF PISTONS ARE OPERATIVELY DISPOSED BETWEEN THE MECHANISM FOR RECIPROCATION IN THE CYLINDER MECHANISM, THE IMPROVEMENT FOR COMPRISING: AN ANNULAR BEARING RING HAVING A BEARING TRACK FORMED THEREIN, A PLURALITY OF BEARING SHOES SEATED ON AND SLIDABLE AROUND SAID TRACK, AND SPIDER MEANS ON THE WASH MECHANISM IN MESH WITH SAID SHOES WHEREBY SAID SHOES AND THE SWASH MECHANISM ROTATE TOGETHER AROUND AN AXIS OF ROTATION, SAID SHOES BEING UNIVERSALLY CONNECTED TO THE 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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |