US3353832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing assembly
Assignee: Fel Pro Inc
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Filing: 1965-05-24
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Granted: 1967-11-21
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Robert E Coulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:02
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/021; F16J15/022; F16J15/024; F16C; F16C9/00; F16C9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A SEALING ASSEMBLY TO PREVENT LEAKAGE BETWEEN TWO MATING SURFACES, ONE OF SAID MATING SURFACES DEFINING A WEDGE-SHAPED RECESS HAVING AN OPEN SIDE CONTIGUOUS TO SAID MATING SURFACES, SAID SEALING ASSEMBLY COMPRISING A WEDGE-SHAPED SEALING STRIP HAVING TWO PARALLEL SIDES OF DIFFERENT WIDTHS, SAID SEALING STRIP BEING DISPOSED IN SAID RECESS WITH ITS WIDER PARALLEL SIDE ADAPTED TO ENGAGE SAID
Claim 2
Dependent Claim
60 words
A SEALING ASSEMBLY TO PREVENT LEAKAGE BETWEEN TWO MATING SURFACES, ONE OF SAID MATING SURFACES DEFINING A WEDGE-SHAPED RECESS HAVING AN OPEN SIDE CONTIGUOUS TO SAID MATING SURFACES, SAID SEALING ASSEMBLY COMPRISING A WEDGE-SHAPED SEALING STRIP HAVING TWO PARALLEL SIDES OF DIFFERENT WIDTHS, SAID SEALING STRIP BEING DISPOSED IN SAID RECESS WITH ITS WIDER PARALLEL SIDE ADAPTED TO ENGAGE SAID
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |