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US1333337A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making bearings

Assignee: DOEHLER DIE CASTING CO
•
Filing: 1918-11-15
•
Granted: 1920-03-09
•
Expires: 1938-11-15
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Abstract

No abstract record available.

Inventors

  • 👤 Pack Charles
  • 👤 Herman H Doehler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:55
CPC Classifications
B; B22; B22D; B22D19/00; B22D19/08; B22D19/085; Y; Y10; Y10S; Y10S164/00; Y10S164/02; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49677; Y10T29/49705; Y10T29/49709

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) 1923-03-09 1923-09-08 1924-03-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-03-09 1927-09-08 1928-03-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-03-09 1931-09-08 1932-03-09 $7700.00 Window Closed / Lapsed

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