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US1825957A Expired / Lapsed US ⏱️ 0.0 years remaining

Differential adjustment for rolls

Assignee: United Engineering and Foundry Co
•
Filing: 1927-01-20
•
Granted: 1931-10-06
•
Expires: 1947-01-20
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Abstract

No abstract record available.

Inventors

  • 👤 Johnson Lane

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:30
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/16; B21B31/20; B21B31/22; B21B31/24; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18616

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) 1934-10-05 1935-04-06 1935-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-10-05 1939-04-06 1939-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-10-05 1943-04-06 1943-10-06 $7700.00 Window Closed / Lapsed

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