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US2003232A Expired / Lapsed US ⏱️ 0.0 years remaining

Hollow articles, such as pipe fittings and the like, and method of making the same

Assignee: CONTINENTAL DIAMOND FIBRE CO
•
Filing: 1933-05-15
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Granted: 1935-05-28
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Expires: 1953-05-15
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Abstract

No abstract record available.

Inventors

  • 👤 Frank H Benge

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 19:49
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29D23/003; B29D23/008; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/34; B29C70/345; B29C70/40; B29C70/42; B29C70/46; B29C70/462; B29L; B29L2031/00; B29L2031/24; B29L2031/246; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893

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) 1938-05-27 1938-11-26 1939-05-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1942-05-27 1942-11-26 1943-05-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1946-05-27 1946-11-26 1947-05-28 $7700.00 Window Closed / Lapsed

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