Patent US3080171A successfully refreshed from Google Patents.
US3080171A
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Assignee: LIONEL PACIFIC Inc
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Filing: 1960-02-19
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Granted: 1963-03-05
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Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
- 👤 George H Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:42
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN COMBINATION: A HOUSING HAVING A CYLINDRICAL BORE; MEANS FOR SEALING THE WALL OF THE CYLINDRICAL BORE AGAINST LEAKAGE OF FLUID INCLUDING A FRUSTO-CONICAL TUBULAR ELEMENT OF FLEXIBLE SPRING MATERIAL TO BE INSERTED IN THE HOUSING, THE DIAMETER OF THE LARGE END OF SAID TUBULAR ELEMENT BEING SUBSTANTIALLY EQUAL TO THE DIAMETER OF THE BORE; AND MEANS FOR SPREADING THE SMALL END OF SAID TUBULAR ELEMENT RADIALLY, THEREBY TO MOVE THE LATERAL SURFACE OF SAID ELEMENT INTO SNUG SEALING ENGAGEMENT WITH THE WALL OF THE BORE.
Claim 2
Dependent Claim
86 words
IN COMBINATION: A HOUSING HAVING A CYLINDRICAL BORE; MEANS FOR SEALING THE WALL OF THE CYLINDRICAL BORE AGAINST LEAKAGE OF FLUID INCLUDING A FRUSTO-CONICAL TUBULAR ELEMENT OF FLEXIBLE SPRING MATERIAL TO BE INSERTED IN THE HOUSING, THE DIAMETER OF THE LARGE END OF SAID TUBULAR ELEMENT BEING SUBSTANTIALLY EQUAL TO THE DIAMETER OF THE BORE; AND MEANS FOR SPREADING THE SMALL END OF SAID TUBULAR ELEMENT RADIALLY, THEREBY TO MOVE THE LATERAL SURFACE OF SAID ELEMENT INTO SNUG SEALING ENGAGEMENT WITH THE WALL OF THE BORE.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |