US3218110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Face seal assembly
Assignee: Individual
•
Filing: 1961-01-16
•
Granted: 1965-11-16
•
Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Dewey L Conner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:16
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/38; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
IN COMBINATION WITH A MACHINE HAVING A FRAME AND A SHAFT ROTATABLY MOUNTED IN SAID FRAME, A FACESEAL ASSEMBLY, COMPRISING: A HOUSING RING HAVING AN ABUTMENT PORTION PROVIDING AN AXIALLY-FACING SURFACE, AND ALSO HAVING AN OUTER SHELL PORTION EXTENDING AXIALLY FROM SAID ABUTMENT PORTION; A BEARING DEVICE INCLUDING RELATIVELY ROTATABLE MEMBERS COAXIAL WITH SAID HOUSING RING, AND HAVING ONE OF SAID MEMBERS FIXED WITH RESPECT TO SAID HOUSING RING AND AXIALLY SPACED FROM SAID ABUTMENT PORTION, THE OTHER OF SAID BEARING MEMBERS HAVING A FACESEAL PORTION OPPOSITE AND SPACED FROM SAID ABUTMENT PORTION; A SEAL-FACE RING AXIALLY INTERENGAGED WITH SAID HOUSING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |