US3122169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accumulator
Assignee: Menasco Manufacturing Co
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Filing: 1960-05-26
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Granted: 1964-02-25
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Expires: 1980-05-26
Abstract
No abstract record available.
Inventors
- 👤 Giles A Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:02
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B2201/00; F15B2201/20; F15B2201/30; F15B2201/31; F15B2201/312; F15B2201/40; F15B2201/41; F15B2201/411; F15B2201/413
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
AN ACCUMULATOR FOR A HYDRAULIC SYSTEM COMPRISING A SPHERICAL CONTAINER FOR STORING A VOLUME OF COMPRESSIBLE WORKING MEDIUM LESS COMPRESSIBLE THAN A GAS, AN OPENING AT ONE LOCATION IN SAID CONTAINER, A PLUNGER HAVING ONE END INSERTED THROUGH SAID OPENING INTO SAID CONTAINER, A PISTON MEMBER SECURED TO THE OTHER END OF SAID PLUNGER AND HAVING AN INNER WALL ADAPTED TO ENCOMPASS SAID CONTAINER, A CUP-SHAPED HOUSING MEMBER SLIDABLY RECEIVING SAID PISTON MEMBER, AND HAVING A LIP AT ITS OPEN END, RETAINING MEANS AT THE LIP OF SAID HOUSING MEMBER FOR SECURING SAID CONTAINER AROUND ITS CIRCUMFERENCE, A FLUID STORAGE CHAMBER DEFINED BETWEEN THE BOTTOM OF SAID CUPSHAPED HOUSING MEMBER AND SAID PISTON MEMBER, AND PORT MEANS CONNECTED WITH SAID FLUID CHAMBER FOR INTRODUCING FLUID FROM SAID HYDRAULIC SYSTEM, SAID PLUNGER BEING MOVABLE RELATIVE TO SAID CONTAINER BY SAID HYDRAULIC FLUID TO VARY SAID FLUID CHAMBER.
Claim 2
Dependent Claim
146 words
AN ACCUMULATOR FOR A HYDRAULIC SYSTEM COMPRISING A SPHERICAL CONTAINER FOR STORING A VOLUME OF COMPRESSIBLE WORKING MEDIUM LESS COMPRESSIBLE THAN A GAS, AN OPENING AT ONE LOCATION IN SAID CONTAINER, A PLUNGER HAVING ONE END INSERTED THROUGH SAID OPENING INTO SAID CONTAINER, A PISTON MEMBER SECURED TO THE OTHER END OF SAID PLUNGER AND HAVING AN INNER WALL ADAPTED TO ENCOMPASS SAID CONTAINER, A CUP-SHAPED HOUSING MEMBER SLIDABLY RECEIVING SAID PISTON MEMBER, AND HAVING A LIP AT ITS OPEN END, RETAINING MEANS AT THE LIP OF SAID HOUSING MEMBER FOR SECURING SAID CONTAINER AROUND ITS CIRCUMFERENCE, A FLUID STORAGE CHAMBER DEFINED BETWEEN THE BOTTOM OF SAID CUPSHAPED HOUSING MEMBER AND SAID PISTON MEMBER, AND PORT MEANS CONNECTED WITH SAID FLUID CHAMBER FOR INTRODUCING FLUID FROM SAID HYDRAULIC SYSTEM, SAID PLUNGER BEING MOVABLE RELATIVE TO SAID CONTAINER BY SAID HYDRAULIC FLUID TO VARY SAID FLUID CHAMBER.
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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |