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US3572101A Expired / Lapsed US ⏱️ 0.0 years remaining

Firmness testing apparatus

Assignee: RJ Reynolds Tobacco Co
•
Filing: 1969-09-24
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Granted: 1971-03-23
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Expires: 1989-09-24
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Abstract

Abstract A TESTING APPARATUS IS PROVIDED FOR USE IN TESTING THE FIRMNESS OF A TOBACCO ROD OR THE LIKE. THE APPARATUS INCLUDES A FRAME FOR ACCOMODATING A ROD TO BE TESTED, AND A PAIR OF SENSING ELEMENTS ADJUSTABLY MOUNTED ON A CARRIER, THE LATTER BEING MOVABLE RELATIBE TO THE FRAME SO AS TO TRAVERSE THE LENGTH OF THE ACCOMMODATED ROD. EACH SENSING ELEMENT IS ADJUSTABLE AND HAS AN END THEREOF IN CONTACT WITH THE PERIPHERY OF THE ACCOMMODATED ROD AND IMPARTS A PREDETERMINED FORCE ON THE ROD EXTERIOR. THERE IS A PREDETERMINED DIFFERENTIAL IN THE FORCE IMPARTED ON THE ROD EXTERIORLY BY SAID SENSING ELEMENTS. ELECTRICAL MEANS ARE PROVIDED WHICH ARE OPERATIVELY CONNECTED TO SAID SENSING ELEMENTS AND MEASURE THE RELATIVE DEFLECTION OF SAID SENSING ELEMENTS AS THEY TRAVERSE THE ROD LENGTH.

Inventors

  • 👤 Arnold G Moore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 02:56
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/32; A24C5/34; A24C5/343; G; G01; G01N; G01N3/00; G01N3/40; G01N3/42

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-03-22 1974-09-21 1975-03-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-22 1978-09-21 1979-03-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-22 1982-09-21 1983-03-23 $7700.00 Window Closed / Lapsed

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