Patent US3359994A successfully refreshed from Google Patents.
US3359994A
Expired / Lapsed
US
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Method for bleeding a hydraulic system
Assignee: Individual
•
Filing: 1965-09-20
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Granted: 1967-12-26
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Lapointe Simeon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:15
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B60; B60T; B60T17/00; B60T17/18; B60T17/22; B60T17/221; B60T17/222; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0419
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD FOR BLEEDING A HYDRAULIC MOTOR CONNECTED IN A HYDRAULIC SYSTEM INCLUDING A RESERVOIR, A FEEDING CIRCUIT AND A RETURN CIRCUIT BETWEEN SAID MOTOR AND SAID RESERVOIR, SAID MOTOR HAVING A NORMALLY CLOSED BLEEDING ORIFICE, SAID METHOD COMPRISING THE STEPS OF TEMPORARILY CONNECTING AN AUXILIARY HYDRAULIC LINE TO SAID BLEEDING ORIFICE AND TO SAID RETURN CIRCUIT, CIRCULATING FLUID THROUGH SAID MOTOR, AUXILIARY LINE AND RETURN CIRCUIT INTO SAID RESERVOIR UNTIL SUBSTANTIALLY ALL GAS ENTRAPPED IN SAID MOTOR IS RETURNED TO SAID RESERVOIR WHEREIN IT BECOMES SEPARATED FROM SAID FLUID, AND THEREAFTER DISCONNECTING SAID AUXILIARY HYDRAULIC LINE, AND CLOSING SAID BLEEDING ORIFICE.
Claim 2
Independent Claim
102 words
A METHOD FOR BLEEDING A HYDRAULIC MOTOR CONNECTED IN A HYDRAULIC SYSTEM INCLUDING A RESERVOIR, A FEEDING CIRCUIT AND A RETURN CIRCUIT BETWEEN SAID MOTOR AND SAID RESERVOIR, SAID MOTOR HAVING A NORMALLY CLOSED BLEEDING ORIFICE, SAID METHOD COMPRISING THE STEPS OF TEMPORARILY CONNECTING AN AUXILIARY HYDRAULIC LINE TO SAID BLEEDING ORIFICE AND TO SAID RETURN CIRCUIT, CIRCULATING FLUID THROUGH SAID MOTOR, AUXILIARY LINE AND RETURN CIRCUIT INTO SAID RESERVOIR UNTIL SUBSTANTIALLY ALL GAS ENTRAPPED IN SAID MOTOR IS RETURNED TO SAID RESERVOIR WHEREIN IT BECOMES SEPARATED FROM SAID FLUID, AND THEREAFTER DISCONNECTING SAID AUXILIARY HYDRAULIC LINE, AND CLOSING SAID BLEEDING ORIFICE.
References Cited (Backward Citations)
US2295539A
Cited
US2644548A
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US2653564A
Cited
US2771093A
Cited
US2930552A
Cited
US3154087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |