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US1776444A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: United Engineering and Foundry Co
•
Filing: 1927-01-15
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Granted: 1930-09-23
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Expires: 1947-01-15
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Abstract

No abstract record available.

Inventors

  • 👤 Walter W Mcbane
  • 👤 Clarence J Klein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 13:50
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/16; B21B31/20; B21B31/22; B21B31/24; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19126

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) 1933-09-22 1934-03-24 1934-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-09-22 1938-03-24 1938-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-09-22 1942-03-24 1942-09-23 $7700.00 Window Closed / Lapsed

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