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US3352406A Expired / Lapsed US ⏱️ 0.0 years remaining

Belt take-up and storage unit for extensible belt conveyors

Assignee: Marmon Herrington Co
•
Filing: 1964-03-04
•
Granted: 1967-11-14
•
Expires: 1984-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 John B Long

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 13:41
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/10; B65G21/14

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 57 words
A UNIT FOR STORING AND PAYING OUT OUT CONVEYOR BELT TO PERMIT VARIATIONS IN SPACING BETWEEN TWO BELT TERMINAL POINTS INCLUDING MEANS FOR SUPPORTING A PLURALITY OF VERTICALLY SPACED BELT RUNS WITH THE UPPERMOST RUN THEREOF SHORTER THAN ANY OTHER RUN THEREOF AND EACH SUCCEEDING RUN BELOW THE UPPERMOST RUN THEREOF LONGER THANTHE NEXT PRECEDING RUN THEREABOVE.
Claim 2
Dependent Claim 57 words
A UNIT FOR STORING AND PAYING OUT OUT CONVEYOR BELT TO PERMIT VARIATIONS IN SPACING BETWEEN TWO BELT TERMINAL POINTS INCLUDING MEANS FOR SUPPORTING A PLURALITY OF VERTICALLY SPACED BELT RUNS WITH THE UPPERMOST RUN THEREOF SHORTER THAN ANY OTHER RUN THEREOF AND EACH SUCCEEDING RUN BELOW THE UPPERMOST RUN THEREOF LONGER THANTHE NEXT PRECEDING RUN THEREABOVE.

References Cited (Backward Citations)

US3125209A Cited
US2992723A Cited
US3158253A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-13 1971-05-15 1971-11-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-13 1975-05-15 1975-11-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-13 1979-05-15 1979-11-14 $7700.00 Window Closed / Lapsed

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