Patent US2080475A successfully refreshed from Google Patents.
Patent US3392910A successfully refreshed from Google Patents.
US3392910A
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Seal
Assignee: United States Atomic Energy Commission
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Filing: 1963-08-23
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Granted: 1968-07-16
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Eric W Tanzberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:47
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/44; F16J15/441; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/102; Y; Y10; Y10S; Y10S277/00; Y10S277/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN APPARATUS INCLUDING A CASING PROVIDING A CHAMBER IN WHICH A RELATIVELY HIGH PRESSURE FLUID MAY BE CONFINED AND HAVING AN OPENING THROUGH WHICH A ROTARY MEMBER EXTENDS, THE COMBINATION THEREWITH OF MEANS TO SEAL AGAINST THE ESCAPE OF FLUID THROUGH SAID OPENING COMPRISING A RING ARRANGED WITHIN SAID OPENING AND SURROUNDING SAID ROTARY MEMBER, ANNULAR LABYRINTH SEAL ELEMENTS ON THE INSIDE OF SAID RING AND EXTENDING RADIALLY INWARDLY TOWARD SAID ROTARY MEMBER, ABUTMENTS ELEMENTS
Claim 2
Dependent Claim
75 words
IN APPARATUS INCLUDING A CASING PROVIDING A CHAMBER IN WHICH A RELATIVELY HIGH PRESSURE FLUID MAY BE CONFINED AND HAVING AN OPENING THROUGH WHICH A ROTARY MEMBER EXTENDS, THE COMBINATION THEREWITH OF MEANS TO SEAL AGAINST THE ESCAPE OF FLUID THROUGH SAID OPENING COMPRISING A RING ARRANGED WITHIN SAID OPENING AND SURROUNDING SAID ROTARY MEMBER, ANNULAR LABYRINTH SEAL ELEMENTS ON THE INSIDE OF SAID RING AND EXTENDING RADIALLY INWARDLY TOWARD SAID ROTARY MEMBER, ABUTMENTS ELEMENTS
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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |