Patent US3189747A successfully refreshed from Google Patents.
Patent US3412547A successfully refreshed from Google Patents.
US3264155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making extensible fabric
Assignee: Rohm and Haas Co
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Filing: 1961-05-05
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Granted: 1966-08-02
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Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Rhee Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:22
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
THE METHOD OF MAKING A RUBBER-COATED FABRIC MATERIAL WHICH COMPRISES CONTINUOUSLY FEEDING IN A LONGITUDINAL DIRECTION A WEB OF FABRIC MATERIAL WHICH IN A RELAXED STATE IS EXTENSIBLE AT LEAST ABOUT 80% BEYOND ANY NORMAL RELAXED FLATWISE DIMENSION, CONTINUOUSLY FEEDING AND PRESSING IN A LONGITUDINAL DIRECTION INTO FACE-TO-FACE ADHERING RELATIONSHOP WITH SAID FABRIC A FRESHLY CALENDERED WEB OF UNCURED VULCANIZABLE RUBBER, APPLYING TENSION TO SAID FABRIC WEB AS IT IS PRESSED AGAINST THE FRESHLY CALENDRED WEB OF UNCURED VULCANIZABLE RUBBER, COMPLETELY RELAXING THE RESULTING TWO-PLY WEB IN THE LONGITUDINAL DIRECTION PRIOR TO VULCANIZATION, CONTROLLING SAID TENSION IN RELATION TO THE CONTRACTION OF THE RUBBER, SO THAT, WHILE RELAXED, SAID FABRIC AND WEB RETURNS TO ITS UNSTRETCHED DIMENSIONS, AND VULCANIZING SAID RUBBER TO FORM A STRONGLY ADHERING COMPOSITE MATERIAL RESILIENTLY EXTENSIBLE AT LEAST 80% BEYOND ANY FLATWISE RELAXED DIMENSION OF SAID COMPOSITE MATERIAL WITHOUT SUBSTANTIAL PENETRATION OF THE RUBBER INTO THE FABRIC.
Claim 2
Independent Claim
151 words
THE METHOD OF MAKING A RUBBER-COATED FABRIC MATERIAL WHICH COMPRISES CONTINUOUSLY FEEDING IN A LONGITUDINAL DIRECTION A WEB OF FABRIC MATERIAL WHICH IN A RELAXED STATE IS EXTENSIBLE AT LEAST ABOUT 80% BEYOND ANY NORMAL RELAXED FLATWISE DIMENSION, CONTINUOUSLY FEEDING AND PRESSING IN A LONGITUDINAL DIRECTION INTO FACE-TO-FACE ADHERING RELATIONSHOP WITH SAID FABRIC A FRESHLY CALENDERED WEB OF UNCURED VULCANIZABLE RUBBER, APPLYING TENSION TO SAID FABRIC WEB AS IT IS PRESSED AGAINST THE FRESHLY CALENDRED WEB OF UNCURED VULCANIZABLE RUBBER, COMPLETELY RELAXING THE RESULTING TWO-PLY WEB IN THE LONGITUDINAL DIRECTION PRIOR TO VULCANIZATION, CONTROLLING SAID TENSION IN RELATION TO THE CONTRACTION OF THE RUBBER, SO THAT, WHILE RELAXED, SAID FABRIC AND WEB RETURNS TO ITS UNSTRETCHED DIMENSIONS, AND VULCANIZING SAID RUBBER TO FORM A STRONGLY ADHERING COMPOSITE MATERIAL RESILIENTLY EXTENSIBLE AT LEAST 80% BEYOND ANY FLATWISE RELAXED DIMENSION OF SAID COMPOSITE MATERIAL WITHOUT SUBSTANTIAL PENETRATION OF THE RUBBER INTO THE FABRIC.
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |