Patent US788548A successfully refreshed from Google Patents.
Patent US4442174A successfully refreshed from Google Patents.
US4442174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber sealing member
Assignee: Leeser Wilhelm Gummi-und Kunststoffverarbeitung GmbH and Co KG
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Filing: 1983-03-08
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Granted: 1984-04-10
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Expires: 2003-03-08
Abstract
Abstract A cellular, volume compressible, strand-like rubber body has a sheathing oflastic material which surrounds the body without being fixedly connected to it. The rubber body may be of foam rubber material.
Inventors
- 👤 Kurt Neumann
- 👤 Wolfgang Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:39
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/104; B; B29; B29C; B29C44/00; B29C44/20; B29C44/22; B29C48/00; B29C48/03; B29C48/05; B29C48/06; B29C48/09; B29C48/12; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2935; Y10T428/2973; Y10T428/2975; Y10T428/31504; Y10T428/3154; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
37 words
A cellular compressible elongated rubber member having a sheathing of plastic material, the thickness of said sheathing being less than the cross-sectional dimension of said member, and said sheathing enclosing said member without being fixedly connected thereto.
Claim 2
Dependent Claim
37 words
A cellular compressible elongated rubber member having a sheathing of plastic material, the thickness of said sheathing being less than the cross-sectional dimension of said member, and said sheathing enclosing said member without being fixedly connected thereto.
Claim 3
Dependent Claim
13 words
A member as claimed in claim 1 and being of foam rubber material.
Claim 4
Dependent Claim
20 words
A member as claimed in claim 1, the thickness of said plastic sheathing being of the order of 0.2 mm.
Claim 5
Dependent Claim
14 words
A member as claimed in claim 1, said plastic sheathing being resistant to chemicals.
Claim 6
Dependent Claim
13 words
A member as claimed in claim 1, said plastic sheathing consisting of polyethylene.
Claim 7
Dependent Claim
14 words
A member as claimed in claim 1, said plastic sheathing consisting of polyvinylidene fluoride.
Claim 8
Dependent Claim
22 words
A member as claimed in claim 1, the outer dimensions of said plastic sheathing and said rubber member being approximately the same.
References Cited (Backward Citations)
US2891288A
Cited
US3413389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-10 | 1987-10-10 | 1988-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-10 | 1991-10-10 | 1992-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-10 | 1995-10-10 | 1996-04-10 | $7700.00 | Window Closed / Lapsed |