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US2717285A Expired / Lapsed US ⏱️ 0.0 years remaining

Capstans for advancing strands

Assignee: AT&T Inc
•
Filing: 1952-05-23
•
Granted: 1955-09-06
•
Expires: 1972-05-23
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Abstract

No abstract record available.

Inventors

  • 👤 Vincent A Rayburn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 00:47
CPC Classifications
B; B21; B21F; B21F23/00; B65; B65H; B65H51/00; B65H51/02; B65H51/04; B65H59/00; B65H59/10; B65H59/18; B65H2701/00; B65H2701/30; B65H2701/38

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1575637A Cited
US2431065A Cited
US2407239A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-09-05 1959-03-07 1959-09-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-09-05 1963-03-07 1963-09-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-09-05 1967-03-07 1967-09-06 $7700.00 Window Closed / Lapsed

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