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US2018075A Expired / Lapsed US ⏱️ 0.0 years remaining

Buffing material package

Assignee: Lea Manuf Co
•
Filing: 1934-01-09
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Granted: 1935-10-22
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Expires: 1954-01-09
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Abstract

No abstract record available.

Inventors

  • 👤 Robert S Leather

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:33
CPC Classifications
B; B65; B65D; B65D7/00; B65D7/02; B65D7/04; B65D17/00; B65D83/00

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) 1938-10-21 1939-04-22 1939-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1942-10-21 1943-04-22 1943-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1946-10-21 1947-04-22 1947-10-22 $7700.00 Window Closed / Lapsed

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