US3297513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belting
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1961-07-14
•
Granted: 1967-01-10
•
Expires: 1981-07-14
Abstract
No abstract record available.
Inventors
- 👤 Robinson Peter Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:30
CPC Classifications
B; B66; B66B; B66B7/00; B66B7/06; B66B7/062; B29; B29D; B29D29/00; B29D29/06; B65; B65G; B65G15/00; B65G15/30; B65G15/32; B65G15/34; B65G15/36; B65G51/00; B65G51/02; B65G51/03; B66B23/00; B66B23/08; B66B23/10; B65G2201/00; B65G2201/02; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24099; Y10T428/24107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
CONVEYOR BELTING SUITABLE FOR CARRYING HUMAN PASSENGERS WHICH IS FLEXIBLE LONGITUDINALLY AND SUBSTANTIALLY RIGID TRANSVERSELY AND CAPABLE OF PROVIDING A STABLE PLATFORM FOR THE CONVEYANCE OF PASSENGERS WHEN SUPPORTED AT THE EDGES ONLY COMPRISING A FLEXIBLE PLASTIC MATERIAL HAVING EMBEDDED THEREIN A COMPOSITE REINFORCEMENT COMPRISING AT LEAST TWO TRANSVERSELY EXTENDING LAYERS OF METAL CORDS ARRANGED SUBSTANTIALLY CONTINUOUSLY AND UNIFORMLY ALONG THE LENGTH OF THE BELTING, THE METAL CORDS IN EACH LAYER LYING SUBSTANTIALLY PARALLEL WITH EACH OTHER AND SUBSTANTIALLY AT RIGHT ANGLES TO THE LENGTH OF THE BELTING, AND AT LEAST ONE LAYER OF TEXILE COARDS EXTENDING LONGITUDINALLY OF THE BELTING BETWEEN ANY TWO METAL CORD LAYERS.
Claim 2
Dependent Claim
107 words
CONVEYOR BELTING SUITABLE FOR CARRYING HUMAN PASSENGERS WHICH IS FLEXIBLE LONGITUDINALLY AND SUBSTANTIALLY RIGID TRANSVERSELY AND CAPABLE OF PROVIDING A STABLE PLATFORM FOR THE CONVEYANCE OF PASSENGERS WHEN SUPPORTED AT THE EDGES ONLY COMPRISING A FLEXIBLE PLASTIC MATERIAL HAVING EMBEDDED THEREIN A COMPOSITE REINFORCEMENT COMPRISING AT LEAST TWO TRANSVERSELY EXTENDING LAYERS OF METAL CORDS ARRANGED SUBSTANTIALLY CONTINUOUSLY AND UNIFORMLY ALONG THE LENGTH OF THE BELTING, THE METAL CORDS IN EACH LAYER LYING SUBSTANTIALLY PARALLEL WITH EACH OTHER AND SUBSTANTIALLY AT RIGHT ANGLES TO THE LENGTH OF THE BELTING, AND AT LEAST ONE LAYER OF TEXILE COARDS EXTENDING LONGITUDINALLY OF THE BELTING BETWEEN ANY TWO METAL CORD LAYERS.
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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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |