Patent US3241464A successfully refreshed from Google Patents.
US3241464A
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Fluid pressure operated servo with partial pressure accumulation
Assignee: Ford Motor Co
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Filing: 1964-02-10
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Granted: 1966-03-22
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Stanley L Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:09
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/3003; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1409; F16H47/00; F16H47/06; F16H47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A FLUID PRESSURE OPERATED SERVO COMPRISING A CYLINDER, A PISTON LOCATED WITHIN SAID CYLINDER, SAID PISTON DEFINING IN PART A FLUID PRESSURE CAVITY, SAID PISTON BEING ADAPTED TO ACT UPON A MOVABLE MEMBER, AN ACUUMULATOR MECHANISM COMPRISING AN ACCUMULATOR CHAMBER OF VARIABLE VOLUME, SAID ACCUMULATOR CHAMBER BEING DEFINED IN
Claim 2
Dependent Claim
49 words
A FLUID PRESSURE OPERATED SERVO COMPRISING A CYLINDER, A PISTON LOCATED WITHIN SAID CYLINDER, SAID PISTON DEFINING IN PART A FLUID PRESSURE CAVITY, SAID PISTON BEING ADAPTED TO ACT UPON A MOVABLE MEMBER, AN ACUUMULATOR MECHANISM COMPRISING AN ACCUMULATOR CHAMBER OF VARIABLE VOLUME, SAID ACCUMULATOR CHAMBER BEING DEFINED IN
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |