Patent US3295665A successfully refreshed from Google Patents.
US3295665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain catenary belt idler
Assignee: Nordberg Manufacturing Co
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Filing: 1964-11-24
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Granted: 1967-01-03
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Expires: 1984-11-24
Abstract
No abstract record available.
Inventors
- 👤 Edmund C Bitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:25
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A CATENARY BELT IDLER FOR SUPPORTING CONVEYOR BELTS AND THE LIKE, WHICH INCLUDES AN OUTER SLEEVE OF A FLEXIBLE MATERIAL HAVING THE GENERAL CHARACTERISTICS OF RUBBER AND HAVING A GENERALLY AXIAL APERTURE THERETHROUGH, AND A FLEXIBLE INTERNAL SUPPORT FOR SAID OUTER SLEEVE, TOGETHER WITH MEANS FOR SECURING THE ENDS OF THE OUTER SLEEVE TO THE FLEXIBLE INTERNAL SUPPORT WHILE MAINTAINING THE OUTER SLEEVE UNDER ENDWISE COMPRESSION.
Claim 2
Dependent Claim
66 words
A CATENARY BELT IDLER FOR SUPPORTING CONVEYOR BELTS AND THE LIKE, WHICH INCLUDES AN OUTER SLEEVE OF A FLEXIBLE MATERIAL HAVING THE GENERAL CHARACTERISTICS OF RUBBER AND HAVING A GENERALLY AXIAL APERTURE THERETHROUGH, AND A FLEXIBLE INTERNAL SUPPORT FOR SAID OUTER SLEEVE, TOGETHER WITH MEANS FOR SECURING THE ENDS OF THE OUTER SLEEVE TO THE FLEXIBLE INTERNAL SUPPORT WHILE MAINTAINING THE OUTER SLEEVE UNDER ENDWISE COMPRESSION.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |