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US1908373A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making pipe bends or the like

Assignee: General Fire Extinguisher Co
•
Filing: 1931-03-25
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Granted: 1933-05-09
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Expires: 1951-03-25
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Abstract

No abstract record available.

Inventors

  • 👤 Albert J Loepsinger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:55
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49444

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) 1936-05-08 1936-11-07 1937-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-05-08 1940-11-07 1941-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-05-08 1944-11-07 1945-05-09 $7700.00 Window Closed / Lapsed

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