Patent US3112115A successfully refreshed from Google Patents.
US3112115A
Expired / Lapsed
US
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Gold pressure vessel seal
Assignee: Individual
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Filing: 1963-01-31
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Granted: 1963-11-26
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Expires: 1983-01-31
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:24
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; B; B30; B30B; B30B11/00; B30B11/004; F16J1/00; F16J1/02; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A PISTON-CYLINDER TYPE PRESSURE VESSEL COMPRISING A FEMALE DIE MEMBER DEFINING A PRESSURE CHAMBER AND A MALE PISTON MEMBER SLIDABLY DISPOSED IN SAID PRESSURE CHAMBER, SAID PRESSURE CHAMBER BEING ADAPTED TO RECEIVE A SPECIMEN TO BE PRESSED AND A PRESSURE TRANSMITTING MEDIUM, THE IMPROVED MEANS FOR PROVIDING A SEAL BETWEEN SAID FEMALE DIE MEMBER AND SAID MALE PISTON MEMBER WHICH COMPRISES A LAYER OF GOLD PLATED ON THE CONTACTING SURFACE OF AT LEAST ONE OF SAID MEMBERS, SAID LAYER OF GOLD BEING OF SUFFICIENT THICKNESS TO PROVIDE AN INTERFERENCE FIT BETWEEN SAID DIE MEMBER AND SAID PISTON MEMBER.
Claim 2
Dependent Claim
99 words
IN A PISTON-CYLINDER TYPE PRESSURE VESSEL COMPRISING A FEMALE DIE MEMBER DEFINING A PRESSURE CHAMBER AND A MALE PISTON MEMBER SLIDABLY DISPOSED IN SAID PRESSURE CHAMBER, SAID PRESSURE CHAMBER BEING ADAPTED TO RECEIVE A SPECIMEN TO BE PRESSED AND A PRESSURE TRANSMITTING MEDIUM, THE IMPROVED MEANS FOR PROVIDING A SEAL BETWEEN SAID FEMALE DIE MEMBER AND SAID MALE PISTON MEMBER WHICH COMPRISES A LAYER OF GOLD PLATED ON THE CONTACTING SURFACE OF AT LEAST ONE OF SAID MEMBERS, SAID LAYER OF GOLD BEING OF SUFFICIENT THICKNESS TO PROVIDE AN INTERFERENCE FIT BETWEEN SAID DIE MEMBER AND SAID PISTON MEMBER.
References Cited (Backward Citations)
GB450274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |