Patent US3357283A successfully refreshed from Google Patents.
US3357283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for replacement of seals
Assignee: General Electric Co
•
Filing: 1966-07-01
•
Granted: 1967-12-12
•
Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Howard M Geyer
- 👤 James C Frewin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:42
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/189; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
FOR USE IN COMBINATION WITH AN ACTUATOR OF THE TYPE WHICH IS ENERGIZED TO SELECTIVELY DISPLACE A PISTON ROD EXTENDING THEREFROM TOWARDS EXTENDED AND RETRACTED POSITIONS AND WHICH INCLUDES A SEAL SURROUNDING SAID ROD, MEANS FOR REPLACING SAID SEAL COMPRISING, A COLLAR DETACHABLY CONNECTABLE TO SAID PISTON ROD, SAID COLLAR HAVING THEREON MEANS SELECTIVELY CONNECTABLE WITH SAID SEAL FOR EXTRACTING SAID SEAL UPON ENERGIZATION OF SAID ACTUATOR TO EXTEND SAID ROD, SAID COLLAR FURTHER HAVING MEANS SELECTIVELY ENGAGEABLE WITH SAID SEAL FOR COMPRESSING SAID SEAL WHEN SAID ACTUATOR IS ENERGIZED TO RETRACT SAID PISTON ROD, WHEREBY THE FORCE OF SAID ACTUATOR IS EMPLOYED FOR REPLACEMENT OF SAID SEAL.
Claim 2
Dependent Claim
108 words
FOR USE IN COMBINATION WITH AN ACTUATOR OF THE TYPE WHICH IS ENERGIZED TO SELECTIVELY DISPLACE A PISTON ROD EXTENDING THEREFROM TOWARDS EXTENDED AND RETRACTED POSITIONS AND WHICH INCLUDES A SEAL SURROUNDING SAID ROD, MEANS FOR REPLACING SAID SEAL COMPRISING, A COLLAR DETACHABLY CONNECTABLE TO SAID PISTON ROD, SAID COLLAR HAVING THEREON MEANS SELECTIVELY CONNECTABLE WITH SAID SEAL FOR EXTRACTING SAID SEAL UPON ENERGIZATION OF SAID ACTUATOR TO EXTEND SAID ROD, SAID COLLAR FURTHER HAVING MEANS SELECTIVELY ENGAGEABLE WITH SAID SEAL FOR COMPRESSING SAID SEAL WHEN SAID ACTUATOR IS ENERGIZED TO RETRACT SAID PISTON ROD, WHEREBY THE FORCE OF SAID ACTUATOR IS EMPLOYED FOR REPLACEMENT OF SAID SEAL.
References Cited (Backward Citations)
US2763055A
Cited
US3217394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |