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US3285529A Expired / Lapsed US ⏱️ 0.0 years remaining

Tape tensioning device

Assignee: Collins Radio Co
•
Filing: 1964-06-29
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Granted: 1966-11-15
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Expires: 1984-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Melvin L Campbell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 17:50
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/43

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 84 words
TAPE TENSIONING MEANS COMPRISING: FIRST AND SECOND UNPOWERED ROLLER MEANS POSITIONED SIDE BY SIDE WITH THEIR AXES OF ROTATION PARALLEL TO ONE ANOTHER, MEANS FOR PRESSING THE CIRCUMFERENTIAL PERIMETERS OF SAID ROLLERS TOGETHER TO GRIP A TAPE POSITIONED THEREBETWEEN, COUPLING MEANS CONSTRUCTED TO MAINTAIN A FIXED RATIO, OTHER THAN UNITY, OF THE CIRCUMFERENTIAL VELOCITIES OF SAID FIRST AND SECOND ROLLERS, WHEN EITHER OF SAID ROLLERS IS CAUSED TO ROTATE BY A TAPE BEING PULLED THERETHROUGH, AND MEANS FOR PULLING SAID TAPE BETWEEN SAID ROLLERS.
Claim 2
Dependent Claim 84 words
TAPE TENSIONING MEANS COMPRISING: FIRST AND SECOND UNPOWERED ROLLER MEANS POSITIONED SIDE BY SIDE WITH THEIR AXES OF ROTATION PARALLEL TO ONE ANOTHER, MEANS FOR PRESSING THE CIRCUMFERENTIAL PERIMETERS OF SAID ROLLERS TOGETHER TO GRIP A TAPE POSITIONED THEREBETWEEN, COUPLING MEANS CONSTRUCTED TO MAINTAIN A FIXED RATIO, OTHER THAN UNITY, OF THE CIRCUMFERENTIAL VELOCITIES OF SAID FIRST AND SECOND ROLLERS, WHEN EITHER OF SAID ROLLERS IS CAUSED TO ROTATE BY A TAPE BEING PULLED THERETHROUGH, AND MEANS FOR PULLING SAID TAPE BETWEEN SAID ROLLERS.

References Cited (Backward Citations)

US1539754A Cited
US1998931A Cited
US1986776A Cited
US2057553A Cited
US2102793A Cited
US2373107A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-14 1970-05-16 1970-11-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-14 1974-05-16 1974-11-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-14 1978-05-16 1978-11-15 $7700.00 Window Closed / Lapsed

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