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US2359138A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for cleaning materials

Assignee: J E MARTIN EQUIPMENT Corp
•
Filing: 1941-11-22
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Granted: 1944-09-26
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Expires: 1961-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 John E Martin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:39
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/081; D06F43/085; B; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/23; B01D29/50; B01D29/52; B01D29/96; B01D36/00; B01D36/02; D06F43/02; B01D2201/00; B01D2201/60; B01D2201/605

Claims Analysis

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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) 1947-09-26 1948-03-27 1948-09-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-09-26 1952-03-27 1952-09-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-09-26 1956-03-27 1956-09-26 $7700.00 Window Closed / Lapsed

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