US3093443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing a vulcanized rubber gasket
Assignee: Felt Products Mfg Co LLC
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Filing: 1961-03-13
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Granted: 1963-06-11
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Levinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:52
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/021; B29B; B29B11/00; B29B11/02; B29C31/00; B29C31/04; B29C31/08; B29C35/00; B29C35/02; B29C35/0277; B29C37/00; B29C37/0025; B29C43/32; B29C43/34; B29D; B29D99/00; B29D99/0053; F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/108; B29C2793/00; B29C2793/0009; B29C2793/0081; B29C33/00; B29C33/20; B29K; B29K2021/00; B29K2105/00; B29K2105/24; B29K2105/246; B29L; B29L2031/00; B29L2031/26; Y; Y10; Y10S; Y10S264/00; Y10S264/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A PROCESS FOR THE MANUFACTURE OF A GASKET CONFIGURATION FROM UNCURED GASKET STOCK, WHICH STOCK WHEN UNRESTRAINED IS SUBJECT TO DISTORTION UPON BEING SUBJECTED TO CURING CONDITIONS, WHICH PROCESS COMPRISES THE STEPS OF: (A) CUTTING THE DESIRED GASKET CONFIGURATION FROM SAID STOCK; (B) SUPPORTING THE RESULTING GASKET CONFIGURATION IN DIRECT CONTACT WITH A SUBSTANTIALLY-RIGID SURFACE HAVING A SUBSTANTIAL COEFFICIENT OF FRICTION WITH RESPECT THERETO, WHEREBY THE GASKET CONFIGURATION IS FRICTIONALLY RESTRAINED WITHOUT SUBSTANTIAL SQUASHING THEREOF; (C) SUBJECTING THE GASKET CONFIGURATION WHILE SO SUPPORTED TO CURING CONDITIONS FOR A PERIOD SUFFICIENT TO EFFECT CURE THEREOF, WHEREBY THE SHAPE OF THE GASKET
Claim 2
Dependent Claim
100 words
A PROCESS FOR THE MANUFACTURE OF A GASKET CONFIGURATION FROM UNCURED GASKET STOCK, WHICH STOCK WHEN UNRESTRAINED IS SUBJECT TO DISTORTION UPON BEING SUBJECTED TO CURING CONDITIONS, WHICH PROCESS COMPRISES THE STEPS OF: (A) CUTTING THE DESIRED GASKET CONFIGURATION FROM SAID STOCK; (B) SUPPORTING THE RESULTING GASKET CONFIGURATION IN DIRECT CONTACT WITH A SUBSTANTIALLY-RIGID SURFACE HAVING A SUBSTANTIAL COEFFICIENT OF FRICTION WITH RESPECT THERETO, WHEREBY THE GASKET CONFIGURATION IS FRICTIONALLY RESTRAINED WITHOUT SUBSTANTIAL SQUASHING THEREOF; (C) SUBJECTING THE GASKET CONFIGURATION WHILE SO SUPPORTED TO CURING CONDITIONS FOR A PERIOD SUFFICIENT TO EFFECT CURE THEREOF, WHEREBY THE SHAPE OF THE GASKET
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |