US3336034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force adaptive dynamic face seal
Assignee: Individual
•
Filing: 1964-10-27
•
Granted: 1967-08-15
•
Expires: 1984-10-27
Abstract
No abstract record available.
Inventors
- 👤 Robert J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:28
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/3456
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A FLUID FACE SEAL STRUCTURE, A ROTARY SHAFT, AN ANNULAR FACE SEAL FIXED ON SAID SHAFT PERPENDICULAR TO THE AXIS THEREOF FOR ROTATION THEREWITH, A COMPLEMENTARY STATIONARY RING SEAL CONCENTRICALLY SURROUNDING SAID SHAFT, AXIALLY MOVABLE INTO FRICTIONAL FLUID SEALING RELATION WITH SAID FACE SEAL TO PREVENT FLUID LEAKAGE THEREBETWEEN, MEANS YIELDABLY URGING SAID RING SEAL INTO FRICTIONAL CONTACT AND FLUID SEALING ENGAGEMENT WITH SAID FACE SEAL PRODUCING
Claim 2
Dependent Claim
68 words
IN A FLUID FACE SEAL STRUCTURE, A ROTARY SHAFT, AN ANNULAR FACE SEAL FIXED ON SAID SHAFT PERPENDICULAR TO THE AXIS THEREOF FOR ROTATION THEREWITH, A COMPLEMENTARY STATIONARY RING SEAL CONCENTRICALLY SURROUNDING SAID SHAFT, AXIALLY MOVABLE INTO FRICTIONAL FLUID SEALING RELATION WITH SAID FACE SEAL TO PREVENT FLUID LEAKAGE THEREBETWEEN, MEANS YIELDABLY URGING SAID RING SEAL INTO FRICTIONAL CONTACT AND FLUID SEALING ENGAGEMENT WITH SAID FACE SEAL PRODUCING
References Cited (Backward Citations)
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Cited
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Cited
US2192426A
Cited
US2969132A
Cited
US2969133A
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |