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US848161A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of manufacturing metal-working tools.

Assignee: Individual
•
Filing: 1904-06-22
•
Granted: 1907-03-26
•
Expires: 1924-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Herman H Dierig

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 05:04
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/28; B23P15/34; Y; Y10; Y10T; Y10T407/00; Y10T407/26

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) 1910-03-25 1910-09-24 1911-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1914-03-25 1914-09-24 1915-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1918-03-25 1918-09-24 1919-03-26 $7700.00 Window Closed / Lapsed

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