US3072105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock for fluid pressure actuator
Assignee: LIONEL PACIFIC Inc
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Filing: 1961-07-05
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Granted: 1963-01-08
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Expires: 1981-07-05
Abstract
No abstract record available.
Inventors
- 👤 Johnson Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:11
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/20; F15B15/26; F15B15/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN COMBINATION: A CYLINDER; A PISTON AND PISTON ROD RECIPROCABLE AXIALLY IN SAID CYLINDER, SAID PISTON BEING AXIALLY SLIDABLE WITHIN SAID CYLINDER AND MOUNTED ON SAID ROD WITH FREEDOM FOR LIMITED AXIAL SLIDING MOVEMENT RELATIVE THERETO; MEANS FOR ADMITTING FLUID PRESSURE TO AN END OF SAID CYLINDER TO MOVE THE PISTON AND THEREBY MOVE THE ROD AXIALLY IN SAID CYLINDER; LATCHING MEANS ANCHORED IN THE CYLINDER, ENAGAGEABLE WITH THE ROD WHEN SAID ROD IS THUS MOVED TO A PREDETERMINED AXIAL POSITION IN SAID CYLINDER, TO HOLD SAID ROD AGAINST AXIAL MOVEMENT RELATIVE TO SAID CYLINDER; ANNULAR LOCKING MEANS COAXIALLY MOUNTED ON SAID ROD WITH FREEDOM FOR LIMITED AXIAL SLIDING MOVEMENT THEREON RELATIVE TO SAID PISTON AND ROD, FOR LOCKING WHEN IN A FIRST AXIAL POSITION RELATIVE TO SAID ROD, THE LATCHING MEANS IN SUCH ENGAGEMENT WITH SAID ROD; RESILIIENT MEANS URGING SAID LOCKING MEANS INTO SAID FIRST POSITION AND URGING SAID PISTON INTO A PREDETERMINED AXIAL POSITION
Claim 2
Dependent Claim
157 words
IN COMBINATION: A CYLINDER; A PISTON AND PISTON ROD RECIPROCABLE AXIALLY IN SAID CYLINDER, SAID PISTON BEING AXIALLY SLIDABLE WITHIN SAID CYLINDER AND MOUNTED ON SAID ROD WITH FREEDOM FOR LIMITED AXIAL SLIDING MOVEMENT RELATIVE THERETO; MEANS FOR ADMITTING FLUID PRESSURE TO AN END OF SAID CYLINDER TO MOVE THE PISTON AND THEREBY MOVE THE ROD AXIALLY IN SAID CYLINDER; LATCHING MEANS ANCHORED IN THE CYLINDER, ENAGAGEABLE WITH THE ROD WHEN SAID ROD IS THUS MOVED TO A PREDETERMINED AXIAL POSITION IN SAID CYLINDER, TO HOLD SAID ROD AGAINST AXIAL MOVEMENT RELATIVE TO SAID CYLINDER; ANNULAR LOCKING MEANS COAXIALLY MOUNTED ON SAID ROD WITH FREEDOM FOR LIMITED AXIAL SLIDING MOVEMENT THEREON RELATIVE TO SAID PISTON AND ROD, FOR LOCKING WHEN IN A FIRST AXIAL POSITION RELATIVE TO SAID ROD, THE LATCHING MEANS IN SUCH ENGAGEMENT WITH SAID ROD; RESILIIENT MEANS URGING SAID LOCKING MEANS INTO SAID FIRST POSITION AND URGING SAID PISTON INTO A PREDETERMINED AXIAL POSITION
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |