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US3530565A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for replacing the plastic material sheaths of cylindrical spools and method therefor

Assignee: Bemberg SpA
•
Filing: 1967-12-27
•
Granted: 1970-09-29
•
Expires: 1987-12-27
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Abstract

No abstract record available.

Inventors

  • 👤 Alberto Lanza
  • 👤 Tiziano Milan
  • 👤 Bolzano Novarese
  • 👤 Mario Paracchini

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 09:32
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/001; B65; B65H; B65H67/00; B65H67/06; B65H67/067; B65H75/00; B65H75/02; B65H75/18; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49721; Y10T29/4973; Y10T29/49815; Y10T29/49821; Y10T29/49826; Y10T29/49828; Y10T29/49863; Y10T29/49865

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1660538A Cited
US3289973A Cited
US3394453A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-09-28 1974-03-30 1974-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-09-28 1978-03-30 1978-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-09-28 1982-03-30 1982-09-29 $7700.00 Window Closed / Lapsed

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