US3166333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated seal
Assignee: Eagle Picher Co
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Filing: 1961-05-18
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Granted: 1965-01-19
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Expires: 1981-05-18
Abstract
No abstract record available.
Inventors
- 👤 John W Henley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:34
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/50; F16J15/52; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32762; Y10T403/32811
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A SEAL FOR ENCLOSING A JOINT DEFINED BY TWO MEMBERS ADAPTED FOR MOVEMENT WITH RESPECT TO EACH OTHER ABOUT A COMMON POINT OF THE JOINT, SAID SEAL COMPRISING TWO SUBSTANTIALLY CUP-SHAPED ELASTOMERIC MEMBERS OF HARD RUBBER HAVING RIM PORTIONS DISPOSED SUBSTANTIALLY IN REGISTRY WITH EACH OTHER, THE RIM PORTION OF ONE CUP-SHAPED MEMBER HAVING A CIRCUMFERENTIAL GROOVE, THE RIM PORTION OF THE OTHER CUP-SHAPED MEMBER HAVING A CIRCUMFERENTIAL LIP PORTION ADAPTED SNUGLY TO ENGAGE SUCH GROOVE, EACH OF THE CUP-SHAPED MEMBERS HAVING MEANS TO ENGAGE ONE OF THE RELATIVELY MOVABLE JOINT MEMBERS, SAID HARD RUBBER OF THE CUP-SHAPED MEMBERS PROVIDING DESIRABLE WEAR CHARACTERISTICS AND YET ENABLING BY SAID DEFINED STRUCTURAL RELATION THEREBETWEEN A DISTRIBUTION OF THE FORCES ATTENDANT FLEXING OVER A RELATIVELY WIDE AREA OF THE CUP-SHAPED MEMBERS AS SAID JOINT MEMBERS ARE MOVED WITH RESPECT TO EACH OTHER.
Claim 2
Dependent Claim
139 words
A SEAL FOR ENCLOSING A JOINT DEFINED BY TWO MEMBERS ADAPTED FOR MOVEMENT WITH RESPECT TO EACH OTHER ABOUT A COMMON POINT OF THE JOINT, SAID SEAL COMPRISING TWO SUBSTANTIALLY CUP-SHAPED ELASTOMERIC MEMBERS OF HARD RUBBER HAVING RIM PORTIONS DISPOSED SUBSTANTIALLY IN REGISTRY WITH EACH OTHER, THE RIM PORTION OF ONE CUP-SHAPED MEMBER HAVING A CIRCUMFERENTIAL GROOVE, THE RIM PORTION OF THE OTHER CUP-SHAPED MEMBER HAVING A CIRCUMFERENTIAL LIP PORTION ADAPTED SNUGLY TO ENGAGE SUCH GROOVE, EACH OF THE CUP-SHAPED MEMBERS HAVING MEANS TO ENGAGE ONE OF THE RELATIVELY MOVABLE JOINT MEMBERS, SAID HARD RUBBER OF THE CUP-SHAPED MEMBERS PROVIDING DESIRABLE WEAR CHARACTERISTICS AND YET ENABLING BY SAID DEFINED STRUCTURAL RELATION THEREBETWEEN A DISTRIBUTION OF THE FORCES ATTENDANT FLEXING OVER A RELATIVELY WIDE AREA OF THE CUP-SHAPED MEMBERS AS SAID JOINT MEMBERS ARE MOVED WITH RESPECT TO EACH OTHER.
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |