Patent US2703775A successfully refreshed from Google Patents.
US2703775A
Expired / Lapsed
US
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Bonded silicone rubber products and method of making same
Assignee: Connecticut Hard Rubber Co
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Filing: 1952-02-01
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Granted: 1955-03-08
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Expires: 1972-02-01
Abstract
No abstract record available.
Inventors
- 👤 Panagrossi Ahmed
- 👤 Thomas J Sobol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:47
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B29; B29C; B29C70/00; B29C70/003; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249955; Y10T428/249956; Y10T428/249981; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/3366
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
78 words
THE METHOD OF BONDING SILICONE RUBBER TO A SURFACE OF ANOTHER MATERIAL WHICH COMPRISES DIPPING A LAYER OF GLASS CLOTH INTO A SUITABLE PRIMING SOLUTION, PREPARING A RUBBER DOUGH, SPREADING A LAYER OF THE DOUGH UPON ONE SURFACE OF THE CLOTH, CURING THE RUBBER UNDER SUCH LIGHT PRESSURE THAT ONLY A PORTION OF THE THICKNESS OF THE CLOTH IS BONDED TO THE RUBBER, AND CEMENTING THE RUBBER-FREE PORTION OF THE CLOTH TO THE SURFACE OF THE OTHER MATERIAL.
Claim 2
Independent Claim
78 words
THE METHOD OF BONDING SILICONE RUBBER TO A SURFACE OF ANOTHER MATERIAL WHICH COMPRISES DIPPING A LAYER OF GLASS CLOTH INTO A SUITABLE PRIMING SOLUTION, PREPARING A RUBBER DOUGH, SPREADING A LAYER OF THE DOUGH UPON ONE SURFACE OF THE CLOTH, CURING THE RUBBER UNDER SUCH LIGHT PRESSURE THAT ONLY A PORTION OF THE THICKNESS OF THE CLOTH IS BONDED TO THE RUBBER, AND CEMENTING THE RUBBER-FREE PORTION OF THE CLOTH TO THE SURFACE OF THE OTHER MATERIAL.
Claim 3
Dependent Claim
78 words
AS AN ARTICLE OF MANUFACTURE ADAPTED TO BE COLD CEMENTED TO ANOTHER SURFACE, A SILICONE SPONGE RUBBER BODY HAVING A GLASS FABRIC BACKING, THE SILICONE BEING IMPREGNATED INTO LESS THAN THE ENTIRE THICKNESS OF THE GLASS FABRIC TO FORM A SILICONE RUBBER-FABRIC BOND SUBSTANTIALLY AS STRONG AS THE SPONGE RUBBER, A SUBSTANTIAL PORTION OF THE THICKNESS OF THE GLASS FABRIC BEING RUBBERFREE AND HAVING A SURFACE RECEPTIVE TO ADHESIVE CEMENTS ADAPTED TO SECURE GLASS FABRICS TO OTHER SURFACES.
Claim 4
Dependent Claim
78 words
AS AN ARTICLE OF MANUFACTURE ADAPTED TO BE COLD CEMENTED TO ANOTHER SURFACE, A SILICONE SPONGE RUBBER BODY HAVING A GLASS FABRIC BACKING, THE SILICONE BEING IMPREGNATED INTO LESS THAN THE ENTIRE THICKNESS OF THE GLASS FABRIC TO FORM A SILICONE RUBBER-FABRIC BOND SUBSTANTIALLY AS STRONG AS THE SPONGE RUBBER, A SUBSTANTIAL PORTION OF THE THICKNESS OF THE GLASS FABRIC BEING RUBBERFREE AND HAVING A SURFACE RECEPTIVE TO ADHESIVE CEMENTS ADAPTED TO SECURE GLASS FABRICS TO OTHER SURFACES.
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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) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |