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US946631A Expired / Lapsed US ⏱️ 0.0 years remaining

Die for helically fluting wire-stock.

Assignee: Individual
•
Filing: —
•
Granted: 1910-01-18
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Expires: 1927-01-18
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Abstract

No abstract record available.

Inventors

  • 👤 Charles H Ballou

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 07:34
CPC Classifications
B; B21; B21C; B21C3/00; B21C3/02; B21C3/12; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12993

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) 1913-01-17 1913-07-19 1914-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1917-01-17 1917-07-19 1918-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1921-01-17 1921-07-19 1922-01-18 $7700.00 Window Closed / Lapsed

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