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US1401966A Expired / Lapsed US ⏱️ 0.0 years remaining

Center-clamp plate for record matrices

Assignee: Individual
•
Filing: 1921-04-04
•
Granted: 1922-01-03
•
Expires: 1941-04-04
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Abstract

No abstract record available.

Inventors

  • 👤 Davis George Howlett
  • 👤 Charles T Bowman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 04:10
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/30; B29C33/305; B29C43/00; B29C43/32; B29C43/56; B29D; B29D17/00; B29D17/002; B29C33/02; B29C33/04; B29L; B29L2017/00; B29L2017/001; B29L2017/003

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) 1925-01-02 1925-07-04 1926-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1929-01-02 1929-07-04 1930-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1933-01-02 1933-07-04 1934-01-03 $7700.00 Window Closed / Lapsed

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