US3047446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor belting
Assignee: Dunlop Rubber Co Ltd
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Filing: 1960-05-25
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Granted: 1962-07-31
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Expires: 1980-05-25
Abstract
No abstract record available.
Inventors
- 👤 Henson Douglas Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:54
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/08; B65G15/30; B65G15/32; B65G15/34; B65G2201/00; B65G2201/04; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A CONVEYOR BELT COMPRISING A PLANE, FLAT, LENGTH OF RESILIENT MATERIAL, A LONGITUDINAL REINFORCEMENT PLY OF CORDS IN SAID RESILIENT MATERIAL, SAID PLY EXTENDING FROM ONE EDGE MARGIN OF SAID LENGTH TO THE OTHER AND SAID CORDS EXTENDING LONGITUDINALLY, AND TRANSVERSE STIFFENING PLIES OF CORDS IN SAID RESILIENT MATERIAL, SAID STIFFENING PLIES EXTENDING FROM ONE EDGE MARGIN TO THE OTHER, THE CORDS LYING TRANSVERSE TO THE LENGTH OF SAID BELT, THE CORDS LYING IN SIDE-BY-SIDE RELATIONSHIP IN EACH OF SAID PLIES,
Claim 2
Dependent Claim
81 words
A CONVEYOR BELT COMPRISING A PLANE, FLAT, LENGTH OF RESILIENT MATERIAL, A LONGITUDINAL REINFORCEMENT PLY OF CORDS IN SAID RESILIENT MATERIAL, SAID PLY EXTENDING FROM ONE EDGE MARGIN OF SAID LENGTH TO THE OTHER AND SAID CORDS EXTENDING LONGITUDINALLY, AND TRANSVERSE STIFFENING PLIES OF CORDS IN SAID RESILIENT MATERIAL, SAID STIFFENING PLIES EXTENDING FROM ONE EDGE MARGIN TO THE OTHER, THE CORDS LYING TRANSVERSE TO THE LENGTH OF SAID BELT, THE CORDS LYING IN SIDE-BY-SIDE RELATIONSHIP IN EACH OF SAID PLIES,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |