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US2989257A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for holding bobbins

Assignee: Oerlikon Barmag AG
•
Filing: 1956-06-04
•
Granted: 1961-06-20
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Expires: 1976-06-04
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Abstract

No abstract record available.

Inventors

  • 👤 Schuler Erwin
  • 👤 Hedtmann Eugen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:46
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/40; B65H54/54; B65H2701/00; B65H2701/30; B65H2701/31

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1620044A Cited
DE703889C Cited
US2231837A Cited
US2285939A Cited
US2595906A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-06-19 1964-12-19 1965-06-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-06-19 1968-12-19 1969-06-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-06-19 1972-12-19 1973-06-20 $7700.00 Window Closed / Lapsed

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