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US2324735A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite rubber article and method of producing same

Assignee: Individual
•
Filing: 1941-01-16
•
Granted: 1943-07-20
•
Expires: 1961-01-16
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Abstract

No abstract record available.

Inventors

  • 👤 Abraham N Spanel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 01:22
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; B29K; B29K2021/00; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1376; Y10T428/1386

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1946-07-19 1947-01-18 1947-07-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-07-19 1951-01-18 1951-07-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-07-19 1955-01-18 1955-07-20 $7700.00 Window Closed / Lapsed

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