US2983636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated non-woven belt
Assignee: Russell Manufacturing Co
•
Filing: 1957-01-16
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Granted: 1961-05-09
•
Expires: 1977-01-16
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Runton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:55
CPC Classifications
B; B32; B32B; B32B27/00; B65; B65G; B65G15/00; B65G15/10; B65G15/12; B65G15/14; B65G2201/00; B65G2201/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T156/1052; Y10T156/1056; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1729; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24711; Y10T428/24727; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249984
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A NON-WOVEN COMPOSITE BELTING COMPRISING A CENTER WEB OF NON-WOVEN PAPER MATERIAL HAVING TRANSVERSE CORRUGATIONS ADAPTED TO IMPART INCREASED OVERALL THICKNESS AND FLEXIBILITY, A PAIR OF WEBS OF NON-WOVEN PAPER MATERIAL DISPOSED RESPECTIVELY ON OPPOSITE SIDES OF SAID FIRST WEB AND SPACED THEREFROM, A SPONGE RUBBER MATERIAL FILLING THE SPACES BETWEEN SAID WEBS AND BONDING SAID WEBS TOGETHER INTO A UNITARY STRUCTURE, PARALLEL YARNS HAVING A DIMENSIONAL STABILITY AT LEAST AS GREAT AS THAT OF SAID PAPER EMBEDDED IN SAID SPONGE RUBBER MATERIAL BETWEEN ADJACENT WEBS AND EXTENDING LONGITUDINALLY OF SAID BELT FOR IMPARTING IMPROVED TENSILE STRENGTH THERETO.
Claim 2
Dependent Claim
98 words
A NON-WOVEN COMPOSITE BELTING COMPRISING A CENTER WEB OF NON-WOVEN PAPER MATERIAL HAVING TRANSVERSE CORRUGATIONS ADAPTED TO IMPART INCREASED OVERALL THICKNESS AND FLEXIBILITY, A PAIR OF WEBS OF NON-WOVEN PAPER MATERIAL DISPOSED RESPECTIVELY ON OPPOSITE SIDES OF SAID FIRST WEB AND SPACED THEREFROM, A SPONGE RUBBER MATERIAL FILLING THE SPACES BETWEEN SAID WEBS AND BONDING SAID WEBS TOGETHER INTO A UNITARY STRUCTURE, PARALLEL YARNS HAVING A DIMENSIONAL STABILITY AT LEAST AS GREAT AS THAT OF SAID PAPER EMBEDDED IN SAID SPONGE RUBBER MATERIAL BETWEEN ADJACENT WEBS AND EXTENDING LONGITUDINALLY OF SAID BELT FOR IMPARTING IMPROVED TENSILE STRENGTH THERETO.
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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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |