Patent US3323637A successfully refreshed from Google Patents.
US3323637A
Expired / Lapsed
US
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Belting
Assignee: Dunlop Rubber Co Ltd
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Filing: 1965-07-07
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Granted: 1967-06-06
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Expires: 1985-07-07
Abstract
No abstract record available.
Inventors
- 👤 Peter J Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:47
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/06; B65; B65G; B65G15/00; B65G15/30; B65G15/32; B65G15/34; B65G15/36; B65G15/42; B66; B66B; B66B23/00; B66B23/08; B66B23/10; B65G2201/00; B65G2201/02; B65G2201/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A CONVEYOR BELTING COMPRISING A FLEXIBLE COMPOSITION BODY PORTION AND CONVENTIONAL REINFORCEMENT EMBEDDED THEREIN, THE IMPROVEMENT WHICH COMPRISES A PLURALITY OF OVERLAPPING DISCRETE LENGTHS OF SUBSTANTIALLY INEXTENSIBLE METAL CORDS EMBEDDED IN SAID BODY PORTION BETWEEN SAID REINFORCEMENT AND THE LOAD-BEARING SURFACE OF THE BELTING, SAID METAL CORDS BEING FROM FOUR TO SIX FEET IN LENGTH AND FORMED OF A PLURALITY OF INTERWISTED STRANDS OF METAL WIRE OF 0.005 TO 0.010 INCH DIAMETER, WHEREBY THE RESISTANCE OF SAID BELTING TO SAGGING UNDER LOAD IS SUBSTANTIALLY INCREASED.
Claim 2
Dependent Claim
86 words
IN A CONVEYOR BELTING COMPRISING A FLEXIBLE COMPOSITION BODY PORTION AND CONVENTIONAL REINFORCEMENT EMBEDDED THEREIN, THE IMPROVEMENT WHICH COMPRISES A PLURALITY OF OVERLAPPING DISCRETE LENGTHS OF SUBSTANTIALLY INEXTENSIBLE METAL CORDS EMBEDDED IN SAID BODY PORTION BETWEEN SAID REINFORCEMENT AND THE LOAD-BEARING SURFACE OF THE BELTING, SAID METAL CORDS BEING FROM FOUR TO SIX FEET IN LENGTH AND FORMED OF A PLURALITY OF INTERWISTED STRANDS OF METAL WIRE OF 0.005 TO 0.010 INCH DIAMETER, WHEREBY THE RESISTANCE OF SAID BELTING TO SAGGING UNDER LOAD IS SUBSTANTIALLY INCREASED.
References Cited (Backward Citations)
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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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |