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US2942796A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for winding thermoplastic film into rolls

Assignee: Monsanto Chemicals Ltd
•
Filing: 1954-08-26
•
Granted: 1960-06-28
•
Expires: 1974-08-26
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Abstract

No abstract record available.

Inventors

  • 👤 Frank A Gurney
  • 👤 Harry M Keating

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:33
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/26; B29; B29C; B29C53/00; B29C53/32; B65H19/2207; B65H19/2215; B65H2408/00; B65H2408/20; B65H2408/23; B65H2408/231; B65H2408/2315; B65H2408/23152; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/371

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1154301A Cited
US1473089A Cited
US1976641A Cited
US2361264A Cited
US2586833A Cited
US2620141A Cited
US2518069A Cited
US2650038A Cited
US2686015A Cited
US2681771A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-06-28 1963-12-28 1964-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-06-28 1967-12-28 1968-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-06-28 1971-12-28 1972-06-28 $7700.00 Window Closed / Lapsed

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