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US3830445A Expired / Lapsed US ⏱️ 0.0 years remaining

Reel with spring thread

Assignee: Individual
•
Filing: 1972-08-28
•
Granted: 1974-08-20
•
Expires: 1992-08-28
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Abstract

Abstract A REEL HAVING INNER AND OUTER TELESCOPING TUBULAR-FLANGED HUB PORTIONS PULLED TOWARD EACH OTHER BY A COILED SPRING ATTACHED TO ONE SIDE SECTION OF THE REEL AND FUNCTIONING LIKE A THREADED MEMBER BY ITS ENGAGEMENT WITH SPRING-ENGAGING MEANS ATTACHED TO THE OTHER HALF SECTION OF THE REEL.

Inventors

  • 👤 J Moore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 14:51
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H75/18; B65H75/24; B65H75/241; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/515; B65H2701/5152; B65H2701/51526

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) 1977-08-19 1978-02-18 1978-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-19 1982-02-18 1982-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-19 1986-02-18 1986-08-20 $7700.00 Window Closed / Lapsed

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