US3097853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic seal
Assignee: General Electric Co
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Filing: 1961-09-29
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Granted: 1963-07-16
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 James D Mchugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:37
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/40; F16J15/43; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16C33/1035; F16J15/42; Y; Y10; Y10S; Y10S277/00; Y10S277/919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN A SEAL, THE COMBINATION OF FIRST MEMBER HAVING MEANS DEFINING A CHANNEL, AN ELECTRICALLY CONDUCTIVE FLUID LOCATED IN SAID CHANNEL, A SECOND MEMBER EXTENDING INTO THE CHANNEL, SAID FIRST AND SECOND MEMBERS BEING ADAPTED TO MOVE RELATIVE TO ONE ANOTHER, MEANS FOR PASSING AN ELECTRIC CURRENT THROUGH SAID FLUID, AND MEANS FOR PASSING MAGNETIC LINES OF FORCE IN A DIRECTION SUBSTANTIALLY NORMAL TO THE CURRENT FOR ELECTROMAGNETICALLY PROPELLING THE FLUID.
Claim 2
Dependent Claim
71 words
IN A SEAL, THE COMBINATION OF FIRST MEMBER HAVING MEANS DEFINING A CHANNEL, AN ELECTRICALLY CONDUCTIVE FLUID LOCATED IN SAID CHANNEL, A SECOND MEMBER EXTENDING INTO THE CHANNEL, SAID FIRST AND SECOND MEMBERS BEING ADAPTED TO MOVE RELATIVE TO ONE ANOTHER, MEANS FOR PASSING AN ELECTRIC CURRENT THROUGH SAID FLUID, AND MEANS FOR PASSING MAGNETIC LINES OF FORCE IN A DIRECTION SUBSTANTIALLY NORMAL TO THE CURRENT FOR ELECTROMAGNETICALLY PROPELLING THE FLUID.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |