US3661401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket
Assignee: FD FARNAM Inc
•
Filing: 1970-05-25
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Granted: 1972-05-09
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Expires: 1990-05-25
Abstract
Abstract A method of manufacturing tailored gaskets and the article produced thereby wherein a suitable gasket material is provided with a coating applied in such a manner that there is little loss of coating material, and manufacturing costs are lowered. Ideally, the gaskets are formed from materials in the sheet, blank or web form using single or multiple die-cutting operations before and after the gasket material in various forms is coated with a fluid-impermeable coating.
Inventors
- 👤 Robert G Farnam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:25
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/104; F02; F02F; F02F7/00; F02F7/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A gasket as set forth in claim 1 in which the thickness of the coating on the interior aperture walls is substantially greater than the thickness of said coating on the top and bottom surfaces of the gasket.
Claim 2
Dependent Claim
23 words
A gasket as set forth in claim 1 in which a release coating covers said Rubber-resin coating on said top and bottom surfaces.
References Cited (Backward Citations)
US2116000A
Cited
US2155457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |