US3331609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary fluid seal
Assignee: EDWIN W PLUMB
•
Filing: 1965-04-07
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Granted: 1967-07-18
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Expires: 1985-04-07
Abstract
No abstract record available.
Inventors
- 👤 Archibald A Moran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:21
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/3456; F16J15/32; F16J15/3248; F16J15/3252; F16J15/3268; F16J15/3276; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A ROTARY SEAL COMPRISING, IN COMBINATION: (A) A SHAFT PART AND A HOUSING PART SURROUNDING SAID SHAFT PART, ONE OF SAID PARTS BEING TURNABLE WITH RESPECT TO THE OTHER PART, WHEREIN SAID PARTS ARE IN SPACED RELATIONSHIP, (B) A SEALING ANNULUS DISPOSED IN THE SPACE BETWEEN SAID PARTS AND HAVING A CONTINUOUS GROOVE IN A PERIPHERAL SURFACE FACING ONE OF SAID PARTS, (C) A RESILIENT SEALING RING SEATED IN SAID GROOVE AND MAINTAINED IN PRESSING CONTACT WITH SAID ONE PART, SAID RING HAVING PORTIONS EXTENDING BACK AND FORTH AXIALLY SO THAT SAID PORTIONS ARE AT LEAST PARTIALLY BROADSIDE TO THE DIRECTION OF RELATIVE MOVEMENT OF
Claim 2
Dependent Claim
105 words
A ROTARY SEAL COMPRISING, IN COMBINATION: (A) A SHAFT PART AND A HOUSING PART SURROUNDING SAID SHAFT PART, ONE OF SAID PARTS BEING TURNABLE WITH RESPECT TO THE OTHER PART, WHEREIN SAID PARTS ARE IN SPACED RELATIONSHIP, (B) A SEALING ANNULUS DISPOSED IN THE SPACE BETWEEN SAID PARTS AND HAVING A CONTINUOUS GROOVE IN A PERIPHERAL SURFACE FACING ONE OF SAID PARTS, (C) A RESILIENT SEALING RING SEATED IN SAID GROOVE AND MAINTAINED IN PRESSING CONTACT WITH SAID ONE PART, SAID RING HAVING PORTIONS EXTENDING BACK AND FORTH AXIALLY SO THAT SAID PORTIONS ARE AT LEAST PARTIALLY BROADSIDE TO THE DIRECTION OF RELATIVE MOVEMENT OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |