US3123365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
gorman
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:44
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
164 words
A SEAL ASSEMBLY FOR A ROTARY SHAFT EXTENDING THROUGH A BORE OF A HOUSING HAVING AN ENLARGED RECESS AT ONE END THEREOF PROVIDING A STOP SURFACE AT ONE END AND HAVING A RETAINER MEANS CLOSING THE OPPOSITE END OF SAID ENLARGED RECESS INCLUDING: A MEMBER DISPOSED IN SAID RECESS AND STATIONARY WITH THE HOUSING, SAID STATIONARY MEMBER BEING DISPOSED ADJACENT AND ABUTTING SAID RETAINER MEANS AND HAVING MEANS SEALING BETWEEN THE HOUSING AND THE EXTERNAL PERIPHERY OF SAID STATIONARY MEMBER, SAID STATIONARY MEMBER HAVING A CENTRAL APERTURE THROUGH WHICH SAID SHAFT EXTENDS; AN ANNULAR MEMBER ON SAID SHAFT DISPOSED IN SAID RECESS BETWEEN SAID STATIONARY MEMBER AND SAID STOP SURFACE AND HAVING SEALING MEANS FOR PREVENTING FLOW OF FLUIDS THEREBETWEEN; A FLOATING RING IN SAID RECESS DISPOSED BETWEEN SAID STATIONARY MEMBER AND SAID ANNULAR MEMBER PROVIDING SEALING CONTACT AT ITS OPPOSITE ENDS WITH SAID STATIONARY MEMBER AND SAID ANNULAR MEMBER; AND MEANS DISPOSED ON SAID SHAFT BIASING SAID ANNULAR MEMBER TOWARD SAID STATIONARY MEMBER.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |