US3129806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prestressed conveyor belting
Assignee: Monobelting Corp
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Filing: 1959-11-16
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Granted: 1964-04-21
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Marshall A Stiltner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:47
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/06; B29C; B29C65/00; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/344; B29C66/40; B29C66/47; B29C66/472; B29C66/4722; B29C66/70; B29C66/71; B29C66/72; B29C66/721; B29C66/7214; B29C66/72141; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/709; B29L2031/7092
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
43 words
FABRIC-REINFORCED ELASTOMER CONVEYOR BELTING PRESTRESSED AND CURED WITH A TRANSVERSE CROWN, THE FABRIC OF SAID BELTING BEING HELD UNDER TENSION BY THE ELASTOMER OF THE BELTING, SAID TENSION HAVING A TRANSVERSE GRADIENT DIMINISHING FROM THE CENTER LINE OF THE BELTING TO ITS EDGES.
Claim 2
Dependent Claim
43 words
FABRIC-REINFORCED ELASTOMER CONVEYOR BELTING PRESTRESSED AND CURED WITH A TRANSVERSE CROWN, THE FABRIC OF SAID BELTING BEING HELD UNDER TENSION BY THE ELASTOMER OF THE BELTING, SAID TENSION HAVING A TRANSVERSE GRADIENT DIMINISHING FROM THE CENTER LINE OF THE BELTING TO ITS EDGES.
Claim 3
Independent Claim
59 words
THE METHOD OF MAKING PRESTRESSED CONVEYOR BELTING COMPRISING: STRETCHING AN UNCURED LENGTH OF FABRIC-REINFORCED BELTING CARCASS LENGTHWISE WITH A TRANSVERSE STRETCH GRADIENT DIMINISHING FROM THE CENTER LINE OF SAID CARCASS TO ITS EDGES AND THEN CURING THE CARCASS AS SO STRETCHED WHEREBY THE FABRIC OF THE CURED CARCASS WILL BE HELD UNDER TENSION BY THE ELASTOMER OF THE CARCASS.
Claim 4
Independent Claim
59 words
THE METHOD OF MAKING PRESTRESSED CONVEYOR BELTING COMPRISING: STRETCHING AN UNCURED LENGTH OF FABRIC-REINFORCED BELTING CARCASS LENGTHWISE WITH A TRANSVERSE STRETCH GRADIENT DIMINISHING FROM THE CENTER LINE OF SAID CARCASS TO ITS EDGES AND THEN CURING THE CARCASS AS SO STRETCHED WHEREBY THE FABRIC OF THE CURED CARCASS WILL BE HELD UNDER TENSION BY THE ELASTOMER OF THE CARCASS.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |