US3204971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal utilizing mechanical and fluid pressure loading
Assignee: Aerojet Rocketdyne Inc
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Filing: 1962-07-23
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Granted: 1965-09-07
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Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Albert P Meriano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:15
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/46; F16J15/48; F16J15/02; F16J15/06; F16J15/08; F16J15/0887; Y; Y10; Y10S; Y10S285/00; Y10S285/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A SEALING MEMBER FOR FORMING A SEAL BETWEEN TWO PARTS HAVING OPPOSED INWARDLY FACING ANNULAR GROOVES, SAID SEALING MEMBER COMPRISING A PAIR OF AXIALLY ALINED ANNULAR SEALING ELEMENTS, EACH OF SAID ANNULAR SEALING ELEMENTS BEING AXIALLY ELONGATED, A RESILIENT ANNULAR CHANNEL-SHAPED IMPERVIOUS WEB EXTENDING BETWEEN SAID SEALING ELEMENTS AT THE OUTER PERIPHERIES THEREOF AND AXIALLY BIASING THE SEALING ELEMENTS APART, AND MEANS BETWEEN THE ADJACENT RADIAL FACES OF SAID PAIR OF ANNULAR SEALING ELEMENTS FOR RETAINING AN AXIALLY SPACED RELATIONSHIP BETWEEN SAID ADJACENT RADIAL FACES.
Claim 2
Dependent Claim
85 words
A SEALING MEMBER FOR FORMING A SEAL BETWEEN TWO PARTS HAVING OPPOSED INWARDLY FACING ANNULAR GROOVES, SAID SEALING MEMBER COMPRISING A PAIR OF AXIALLY ALINED ANNULAR SEALING ELEMENTS, EACH OF SAID ANNULAR SEALING ELEMENTS BEING AXIALLY ELONGATED, A RESILIENT ANNULAR CHANNEL-SHAPED IMPERVIOUS WEB EXTENDING BETWEEN SAID SEALING ELEMENTS AT THE OUTER PERIPHERIES THEREOF AND AXIALLY BIASING THE SEALING ELEMENTS APART, AND MEANS BETWEEN THE ADJACENT RADIAL FACES OF SAID PAIR OF ANNULAR SEALING ELEMENTS FOR RETAINING AN AXIALLY SPACED RELATIONSHIP BETWEEN SAID ADJACENT RADIAL FACES.
References Cited (Backward Citations)
US1965273A
Cited
US2181203A
Cited
US2366161A
Cited
US2422009A
Cited
US2610870A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |