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US1153258A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for producing cast-steel car-wheels.

Assignee: Individual
•
Filing: 1911-11-09
•
Granted: 1915-09-14
•
Expires: 1931-11-09
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Abstract

No abstract record available.

Inventors

  • 👤 Charles Griffith Robinson
  • 👤 John E Schlieper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 03:10
CPC Classifications
B; B22; B22D; B22D27/00; B22D27/09; B22D27/11

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) 1918-09-13 1919-03-15 1919-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1922-09-13 1923-03-15 1923-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1926-09-13 1927-03-15 1927-09-14 $7700.00 Window Closed / Lapsed

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