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Rotary file

Assignee: ADRIAN PRODUCTION TOOL Co
•
Filing: 1942-09-21
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Granted: 1945-01-16
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Expires: 1962-09-21
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Abstract

No abstract record available.

Inventors

  • 👤 Robert W Melbourne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 21:53
CPC Classifications
B; B23; B23D; B23D71/00; B23C; B23C5/00; B23C5/02; B23C5/10; B23C2210/00; B23C2210/32; B23C2210/326; Y; Y10; Y10T; Y10T407/00; Y10T407/18; Y10T407/1815; Y10T407/19; Y10T407/1946; Y10T407/1948

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) 1948-01-16 1948-07-17 1949-01-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-01-16 1952-07-17 1953-01-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-01-16 1956-07-17 1957-01-16 $7700.00 Window Closed / Lapsed

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