US3289406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic transmission devices
Assignee: Automobiles Citroen SA
•
Filing: 1965-04-23
•
Granted: 1966-12-06
•
Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Panhard Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:37
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/02; B60; B60K; B60K17/00; B60K17/04; B60K17/10; F; F04; F04B; F04B11/00; F04B11/0008; F04B11/0016; F15; F15B; F15B1/00; F15B1/02; F15B1/021; F16; F16H; F16H39/00; F16H39/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A HYDRAULIC TRANSMISSION DEVICE WHICH COMPRISES, IN COMBINATION: A HYDRAULIC PUMP HAVING A CYCLICALLY VARIABLE INSTANTANEOUS DELIVERY RATE, SAID PUMP HAVING AN INPUT AND AN OUTPUT, A HYDRAULIC RECEIVER HAVING AN INPUT AND AN OUTPUT, A CONDUIT CONNECTING THE INPUT OF SAID RECEIVER WITH THE INPUT OF SAID PUMP, MEANS FOR CONNECTING THE OUTPUT OF SAID RECEIVER WITH THE INPUT OF SAID PUMP, MEANS FORMING A CLOSED SPACE, SAID MEANS INCLUDING A DEFORMABLE WALL FORMING A PARTITION BETWEEN THE INSIDE OF SAID SPACE AND THE PORTION OF SAID CONDUIT ADJOINING THE OUTPUT OF SAID PUMP, SAID MEANS INCLUDING ANOTHER DEFORMABLE WALL FORMING A PARTITION BETWEEN THE INSIDE OF SAID SPACE AND THE PORTION OF SAID CONDUIT ADJOINING THE INPUT OF SAID RECEIVER, SAID SPACE BEING FITTED WITH A GASEOUS FLUID.
Claim 2
Dependent Claim
130 words
A HYDRAULIC TRANSMISSION DEVICE WHICH COMPRISES, IN COMBINATION: A HYDRAULIC PUMP HAVING A CYCLICALLY VARIABLE INSTANTANEOUS DELIVERY RATE, SAID PUMP HAVING AN INPUT AND AN OUTPUT, A HYDRAULIC RECEIVER HAVING AN INPUT AND AN OUTPUT, A CONDUIT CONNECTING THE INPUT OF SAID RECEIVER WITH THE INPUT OF SAID PUMP, MEANS FOR CONNECTING THE OUTPUT OF SAID RECEIVER WITH THE INPUT OF SAID PUMP, MEANS FORMING A CLOSED SPACE, SAID MEANS INCLUDING A DEFORMABLE WALL FORMING A PARTITION BETWEEN THE INSIDE OF SAID SPACE AND THE PORTION OF SAID CONDUIT ADJOINING THE OUTPUT OF SAID PUMP, SAID MEANS INCLUDING ANOTHER DEFORMABLE WALL FORMING A PARTITION BETWEEN THE INSIDE OF SAID SPACE AND THE PORTION OF SAID CONDUIT ADJOINING THE INPUT OF SAID RECEIVER, SAID SPACE BEING FITTED WITH A GASEOUS FLUID.
References Cited (Backward Citations)
US2602434A
Cited
US2721446A
Cited
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 |