US3306620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally stable lip seal
Assignee: Beazer East Inc
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Filing: 1964-04-16
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Granted: 1967-02-28
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Taschenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:28
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3224; Y; Y10; Y10S; Y10S277/00; Y10S277/931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A FLUID SEAL ASSEMBLY ADAPTED TO PROVIDE A SEAL BETWEEN A PAIR OF RELATIVELY ROTATABLE PARTS COMPRISING, AN ANNULAR SEAL HOUSING HAVING AN ANNULAR RECESSED PORTION WITH A RADIALLY EXTENDING PLANAR SURFACE, AN ANNULAR SEAL RING SECURED AGAINST ROTATION WITHIN SAID HOUSING ANNULAR RECESSED PORTION AND HAVING AN AXIALLY EXTENDING SEAL LIP PORTION WITH A CONICALLY SHAPED EXTERNAL SURFACE ADJACENT ONE END, A RADIALLY EXTENDING PORTION ADJACENT THE OTHER END PORTION, A CYLINDRICAL EXTERNAL SURFACE BETWEEN SAID RADIALLY EXTENDING PORTION AND SAID AXIALLY EXTENDING SEAL LIP PORTION, SAID ANNULAR SEAL RING RADIALLY EXTENDING PORTION POSITIONED IN SEALING RELATION WITH SAID SEAL HOUSING PLANAR SURFACE,
Claim 2
Dependent Claim
104 words
A FLUID SEAL ASSEMBLY ADAPTED TO PROVIDE A SEAL BETWEEN A PAIR OF RELATIVELY ROTATABLE PARTS COMPRISING, AN ANNULAR SEAL HOUSING HAVING AN ANNULAR RECESSED PORTION WITH A RADIALLY EXTENDING PLANAR SURFACE, AN ANNULAR SEAL RING SECURED AGAINST ROTATION WITHIN SAID HOUSING ANNULAR RECESSED PORTION AND HAVING AN AXIALLY EXTENDING SEAL LIP PORTION WITH A CONICALLY SHAPED EXTERNAL SURFACE ADJACENT ONE END, A RADIALLY EXTENDING PORTION ADJACENT THE OTHER END PORTION, A CYLINDRICAL EXTERNAL SURFACE BETWEEN SAID RADIALLY EXTENDING PORTION AND SAID AXIALLY EXTENDING SEAL LIP PORTION, SAID ANNULAR SEAL RING RADIALLY EXTENDING PORTION POSITIONED IN SEALING RELATION WITH SAID SEAL HOUSING PLANAR SURFACE,
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |