Patent US3101955A successfully refreshed from Google Patents.
US3101955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal
Assignee: Lockheed Martin Corp
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Filing: 1961-09-28
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Granted: 1963-08-27
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Albert M Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:46
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A DYNAMIC SEAL FOR A HIGH TEMPERATURE, HIGH PRESSURE CYLINDER HAVING A MOVABLE TUBULAR PISTON ROD AND AN ANNULAR SPACE THEREBETWEEN ADAPTED TO RECEIVE A FLUID OR GAS UNDER PRESSURE, COMPRISING: AN ANNULAR SEAL RING OF METALLIC MATERIAL IN SAID ANNULAR SPACE AND HAVING A RADIAL ANNULAR FLANGE ADAPTED TO BE FIXED TO SAID CYLINDER AND A RELATIVELY THIN ANNULAR LIP HAVING A CLOSE FIT WITH THE EXTERIOR OF THE PISTON ROD; A SPLIT RING AROUND SAID LIP; A PAIR OF OPPOSED LOAD TRANSLATING RINGS, ONE FORE AND ONE AFT OF SAID SPLIT RING AND HAVING CONICAL FACES ENGAGEABLE THEREWITH FOR TRANSLATING OPPOSED AXIAL LOADS PLACED THEREAGAINST INTO A RADIAL LOAD AGAINST SAID SPLIT RING; A SPRING MEMBER JUXTAPOSED TO EACH OF SAID TRANSLATING RINGS FOR PLACING OPPOSED AXIAL LOADS THERETO; AND MEANS FOR COMPRESSING SAID SPRING MEMBERS SO AS TO PLACE OPPOSED AXIAL LOADS ON SAID LOAD TRANSLATING MEANS.
Claim 2
Dependent Claim
150 words
A DYNAMIC SEAL FOR A HIGH TEMPERATURE, HIGH PRESSURE CYLINDER HAVING A MOVABLE TUBULAR PISTON ROD AND AN ANNULAR SPACE THEREBETWEEN ADAPTED TO RECEIVE A FLUID OR GAS UNDER PRESSURE, COMPRISING: AN ANNULAR SEAL RING OF METALLIC MATERIAL IN SAID ANNULAR SPACE AND HAVING A RADIAL ANNULAR FLANGE ADAPTED TO BE FIXED TO SAID CYLINDER AND A RELATIVELY THIN ANNULAR LIP HAVING A CLOSE FIT WITH THE EXTERIOR OF THE PISTON ROD; A SPLIT RING AROUND SAID LIP; A PAIR OF OPPOSED LOAD TRANSLATING RINGS, ONE FORE AND ONE AFT OF SAID SPLIT RING AND HAVING CONICAL FACES ENGAGEABLE THEREWITH FOR TRANSLATING OPPOSED AXIAL LOADS PLACED THEREAGAINST INTO A RADIAL LOAD AGAINST SAID SPLIT RING; A SPRING MEMBER JUXTAPOSED TO EACH OF SAID TRANSLATING RINGS FOR PLACING OPPOSED AXIAL LOADS THERETO; AND MEANS FOR COMPRESSING SAID SPRING MEMBERS SO AS TO PLACE OPPOSED AXIAL LOADS ON SAID LOAD TRANSLATING MEANS.
References Cited (Backward Citations)
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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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |