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US3295665A Expired / Lapsed US ⏱️ 0.0 years remaining

Chain catenary belt idler

Assignee: Nordberg Manufacturing Co
•
Filing: 1964-11-24
•
Granted: 1967-01-03
•
Expires: 1984-11-24
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Abstract

No abstract record available.

Inventors

  • 👤 Edmund C Bitzer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 09:58
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)

US3126090A Cited
DE744915C Cited
GB534044A Cited
US2876890A Cited
US3166184A Cited

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

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