Patent US3179239A successfully refreshed from Google Patents.
US3179239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Troughed conveyor belt
Assignee: United States Steel Corp
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Filing: 1962-02-27
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Granted: 1965-04-20
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Wulf Maurice J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:29
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/54; B65G17/00; B65G17/06; B65G17/10; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CONVEYOR BELT COMPRISING A FLAT PORTION AND A FLANGE AT EACH LONGITUDINAL EDGE OF SAID FLAT PORTION, SAID BELT BEING FORMED OF COILED WIRES INTERCONNECTED BY CROSS WIRES, AT LEAST SOME OF SAID CROSS WIRES BEING U-SHAPED WITH THE LEGS OF THE U EXTENDING TO THE OUTER END OF EACH FLANGE, AND A PLURALITY OF RELATIVELY SHORT U-SHAPED CLIPS ATTACHED TO THE OUTER END OF EACH FLANGE WITH THE LEGS OF THE CLIPS ARRANGED ON OPPOSITE SIDES OF THE ASSOCIATED FLANGE AND EXTENDING TOWARD SAID FLAT PORTION, THE CLIPS ON EACH FLANGE BEING ARRANGED IN SUBSTANTIALLY ABUTTING RELATIONSHIP ALONG THE LENGTH OF THE FLANGE.
Claim 2
Dependent Claim
105 words
A CONVEYOR BELT COMPRISING A FLAT PORTION AND A FLANGE AT EACH LONGITUDINAL EDGE OF SAID FLAT PORTION, SAID BELT BEING FORMED OF COILED WIRES INTERCONNECTED BY CROSS WIRES, AT LEAST SOME OF SAID CROSS WIRES BEING U-SHAPED WITH THE LEGS OF THE U EXTENDING TO THE OUTER END OF EACH FLANGE, AND A PLURALITY OF RELATIVELY SHORT U-SHAPED CLIPS ATTACHED TO THE OUTER END OF EACH FLANGE WITH THE LEGS OF THE CLIPS ARRANGED ON OPPOSITE SIDES OF THE ASSOCIATED FLANGE AND EXTENDING TOWARD SAID FLAT PORTION, THE CLIPS ON EACH FLANGE BEING ARRANGED IN SUBSTANTIALLY ABUTTING RELATIONSHIP ALONG THE LENGTH OF THE FLANGE.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |