Patent US3123364A successfully refreshed from Google Patents.
US3123364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft fluid seal and process of rebuilding the same
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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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
2026-10-25 06:42
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49719
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
THE PROCESS OF REBUILDING SHAFT FLUID SEALS IN WHICH A FREE END SEALING FACE OF THE HUB OF A ROTOR ON THE SHAFT BECOMES WORN AND LEAKY BY CONTACT OF A PRESSURE MEMBER COMPRISING
Claim 2
Dependent Claim
34 words
THE PROCESS OF REBUILDING SHAFT FLUID SEALS IN WHICH A FREE END SEALING FACE OF THE HUB OF A ROTOR ON THE SHAFT BECOMES WORN AND LEAKY BY CONTACT OF A PRESSURE MEMBER COMPRISING
References Cited (Backward Citations)
No citation records indexed.
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 |