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US2153184A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacture of hollow articles of rubber

Assignee: KAYSAM Corp OF AMERICA
•
Filing: 1938-04-19
•
Granted: 1939-04-04
•
Expires: 1958-04-19
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Abstract

No abstract record available.

Inventors

  • 👤 John A Hagen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:37
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/02; B29K; B29K2021/00; B29K2105/00; B29K2105/0058; B29K2105/0064; Y; Y10; Y10S; Y10S264/00; Y10S264/72; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893

Claims Analysis

Total Claims: 0
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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) 1942-04-03 1942-10-03 1943-04-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-04-03 1946-10-03 1947-04-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-04-03 1950-10-03 1951-04-04 $7700.00 Window Closed / Lapsed

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