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US2060962A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of play balls

Assignee: Dunlop Rubber Co Ltd
•
Filing: 1934-04-06
•
Granted: 1936-11-17
•
Expires: 1954-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 Twiss Douglas Frank
  • 👤 Mccowan William

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:41
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; B29C41/06; B29C67/00; B29C67/02; B29C67/06; B29D; B29D22/00; B29D22/04; Y; Y10; Y10S; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/936

Claims Analysis

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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) 1939-11-17 1940-05-18 1940-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1943-11-17 1944-05-18 1944-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1947-11-17 1948-05-18 1948-11-17 $7700.00 Window Closed / Lapsed

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