US2955969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor belt for corrugated paper board
Assignee: Russell Manufacturing Co
•
Filing: 1957-03-04
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Granted: 1960-10-11
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Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Runton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:38
CPC Classifications
F; F26; F26B; F26B23/00; B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2845; B65; B65G; B65G15/00; B65G15/30; B65G15/54; F26B13/00; F26B13/10; F26B13/105; B65G2201/00; B65G2201/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A CONVEYOR BELT COMPRISING AT LEAST TWO FABRIC LAYERS AND A LAYER OF MOISTURE IMPERVIOUS RUBBER DISPOSED THEREBETWEEN AND BONDED THERETO TO FORM A UNITARY STRUCTURE ,SAID FABRIC LAYERS EACH CONSITING OF A PLURALITY OF WOVEN PLIES, EACH PLY CONSITING OF FILLER YARNS AND CHAIN WRAP YARNS, AND BINDER YARN EXTENDING THROUGH THE PILES OF EACH OF SAID FABRIC LAYERS TO BIND THE SAME TOGETHER, THE BINDER YARNS IN ONE OF SAID FABRIC LAYERS COMPRISING METAL WIRE AND BEING ADAPTED TO FORM HEAT TRANS FER ELEMENTS EXTENDING ENTIRELY THROUGH SAID LAYER AND FORMING LOOPS EXTENDING OVER THE SURFACE OF SAID LAYER, SAID LAYERS BEING UNITED BY THE MOISTURE IMPERVIOUS RUB-
Claim 2
Dependent Claim
110 words
A CONVEYOR BELT COMPRISING AT LEAST TWO FABRIC LAYERS AND A LAYER OF MOISTURE IMPERVIOUS RUBBER DISPOSED THEREBETWEEN AND BONDED THERETO TO FORM A UNITARY STRUCTURE ,SAID FABRIC LAYERS EACH CONSITING OF A PLURALITY OF WOVEN PLIES, EACH PLY CONSITING OF FILLER YARNS AND CHAIN WRAP YARNS, AND BINDER YARN EXTENDING THROUGH THE PILES OF EACH OF SAID FABRIC LAYERS TO BIND THE SAME TOGETHER, THE BINDER YARNS IN ONE OF SAID FABRIC LAYERS COMPRISING METAL WIRE AND BEING ADAPTED TO FORM HEAT TRANS FER ELEMENTS EXTENDING ENTIRELY THROUGH SAID LAYER AND FORMING LOOPS EXTENDING OVER THE SURFACE OF SAID LAYER, SAID LAYERS BEING UNITED BY THE MOISTURE IMPERVIOUS RUB-
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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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |