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US2296372A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacture of belting and like products

Assignee: Boston Woven Hose and Rubber Co
•
Filing: 1939-12-28
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Granted: 1942-09-22
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Expires: 1959-12-28
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Abstract

No abstract record available.

Inventors

  • 👤 Smith Joseph Newton
  • 👤 John M Bierer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:09
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/0277; B29C35/04; B29C35/06; B29C35/065; B29D; B29D29/00; B29C35/049; B29K; B29K2021/00

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) 1945-09-21 1946-03-23 1946-09-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-09-21 1950-03-23 1950-09-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-09-21 1954-03-23 1954-09-22 $7700.00 Window Closed / Lapsed

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