US3615152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor belts
Assignee: Pneumatiques Caoutchouc Manufacture et Plastiques Kleber Colombes SA
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Filing: 1969-07-07
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Granted: 1971-10-26
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Expires: 1989-07-07
Abstract
Abstract THIS INVENTION RELATES TO REINFORCED CONVEYOR BELTS HAVING A LONGITUDINAL REINFORCING LAYER AND A NUMBER OF TRANSVERSE REINFORCING LAYERS CONSTITUTED BY PARALLEL ELEMENTS THAT ARE INCLINED WITH RESPECT TO THE MEDIAN PLANE OF THE BELT. THESE TRANSVERSE LAYERS ARE ARRANGED SYMMETRICALLY IN RELATION TO THE MEDIAN PLANE SO THAT THEIR ELE- MENTS CROSS EACH OTHER FORMING, WITH SAID PLANE, ANGLES OF EQUAL AND OPPOSITE DIRECTION. THE WIDTH OF THE LONGITUDINAL REINFORCING LAYER IS SMALLER THAN THE WIDTH OF ANY ONE OF THE TRANSVERSE REINFORCING LAYERS BEING BETWEEN 1/4 AND 2/3 OF SUCH WIDTH.
Inventors
- 👤 Jacques Bouzat
- 👤 Roland Joug
- 👤 Bernard Ragout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:56
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/08; B65G15/30; B65G15/32; B65G15/34; B65G15/36; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |