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US1456211A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for treating rubber

Assignee: Bridgestone Firestone Inc
•
Filing: 1921-07-08
•
Granted: 1923-05-22
•
Expires: 1941-07-08
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Abstract

No abstract record available.

Inventors

  • 👤 William H Bines

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:24
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/355; B29C48/03; B29C48/07; B29C48/08

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) 1926-05-21 1926-11-20 1927-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1930-05-21 1930-11-20 1931-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1934-05-21 1934-11-20 1935-05-22 $7700.00 Window Closed / Lapsed

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