US3175832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing gasket
Assignee: Parker Hannifin Corp
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Filing: 1963-04-26
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Granted: 1965-03-30
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Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Carrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:02
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/16; F16L23/18; F16L23/22; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A SECTIONAL GASKET A FIRST SECTION HAVING A RECESS, A SECOND SECTION HAVING A TONGUE FOR INTERLOCKING ENGAGEMENT WITH SAID RECESS, SAID FIRST SECTION HAVING A GROOVE WITH A FIRST RESILIENT SEALING STRIP THEREIN EXTENDING TO THE EDGE OF SAID RECESS, THE SECOND SECTION HAVING A GROOVE IN SAID TONGUE WITH A SECOND RESILIENT SEALING STRIP THEREIN ARRANGED TO BUTT AGAINST THE FIRST SEALING STRIP WHEN THE TONGUE IS IN SAID RECESS, AT LEAST ONE OF SAID STRIPS HAVING AN ENLARGED CROSS SECTIONAL AREA WHERE IT BUTTS AGAINST THE OTHER STRIP.
Claim 2
Dependent Claim
92 words
IN A SECTIONAL GASKET A FIRST SECTION HAVING A RECESS, A SECOND SECTION HAVING A TONGUE FOR INTERLOCKING ENGAGEMENT WITH SAID RECESS, SAID FIRST SECTION HAVING A GROOVE WITH A FIRST RESILIENT SEALING STRIP THEREIN EXTENDING TO THE EDGE OF SAID RECESS, THE SECOND SECTION HAVING A GROOVE IN SAID TONGUE WITH A SECOND RESILIENT SEALING STRIP THEREIN ARRANGED TO BUTT AGAINST THE FIRST SEALING STRIP WHEN THE TONGUE IS IN SAID RECESS, AT LEAST ONE OF SAID STRIPS HAVING AN ENLARGED CROSS SECTIONAL AREA WHERE IT BUTTS AGAINST THE OTHER STRIP.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |