Patent US3353451A successfully refreshed from Google Patents.
US3353451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated booster having an accumulator safety system
Assignee: GARRISON
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Filing: 1965-10-20
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Granted: 1967-11-21
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Robert A Garrison
- 👤 Charles F Schoelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:33
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/142; B60T13/143; B60T13/24; B60T13/241; B60T13/242; B60T13/26; B60T13/40; B60T13/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A FLUID OPERATED BOOSTER, THE COMBINATION OF: (A) HOUSING MEANS PROVIDED WITH CYLINDER MEANS THEREIN AND PROVIDED WITH AN INLET PORT; (B) PISTON MEANS RECIPROCABLE IN SAID CYLINDER MEANS; (C) FIRST VALVE MEANS MOVABLE TO AN ACTUATED POSITION TO APPLY FLUID PRESSURE IN SAID INLET PORT TO AN AREA OF SAID PISTON MEANS; (D) AN ACCUMULATOR; (E) SECOND VALVE MEANS MOVABLE TO AN OPEN POSITION TO APPLY FLUID PRESSURE IN SAID ACCUMULATOR TO SAID AREA OF SAID PISTON MEANS; (F) SAID SECOND VALVE MEANS BEING SPACED FROM AND BEING STRUCTURALLY SEPARATE FROM SAID FIRST VALVE MEANS; (G) MEANS BIASING SAID SECOND VALVE MEANS CLOSED; AND (H) LEVER MEANS MECHANICALLY INTERCONNECTING SAID FIRST AND SECOND VALVE MEANS FOR MOVING SAID FIRST VALVE MEANS TO SAID ACTUATED POSITION AND FOR MOVING SAID SECOND VALVE MEANS TO SAID OPEN POSITION UPON MOVEMENT OF SAID FIRST VALVE MEANS TO SAID ACTUATED POSITION.
Claim 2
Dependent Claim
149 words
IN A FLUID OPERATED BOOSTER, THE COMBINATION OF: (A) HOUSING MEANS PROVIDED WITH CYLINDER MEANS THEREIN AND PROVIDED WITH AN INLET PORT; (B) PISTON MEANS RECIPROCABLE IN SAID CYLINDER MEANS; (C) FIRST VALVE MEANS MOVABLE TO AN ACTUATED POSITION TO APPLY FLUID PRESSURE IN SAID INLET PORT TO AN AREA OF SAID PISTON MEANS; (D) AN ACCUMULATOR; (E) SECOND VALVE MEANS MOVABLE TO AN OPEN POSITION TO APPLY FLUID PRESSURE IN SAID ACCUMULATOR TO SAID AREA OF SAID PISTON MEANS; (F) SAID SECOND VALVE MEANS BEING SPACED FROM AND BEING STRUCTURALLY SEPARATE FROM SAID FIRST VALVE MEANS; (G) MEANS BIASING SAID SECOND VALVE MEANS CLOSED; AND (H) LEVER MEANS MECHANICALLY INTERCONNECTING SAID FIRST AND SECOND VALVE MEANS FOR MOVING SAID FIRST VALVE MEANS TO SAID ACTUATED POSITION AND FOR MOVING SAID SECOND VALVE MEANS TO SAID OPEN POSITION UPON MOVEMENT OF SAID FIRST VALVE MEANS TO SAID ACTUATED POSITION.
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |