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US2189654A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Enterprise Manufacturing Co
•
Filing: 1936-09-22
•
Granted: 1940-02-06
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Expires: 1956-09-22
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph W Rief

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 07:48
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/10; A; A01; A01K; A01K89/00; A01K89/006; A01K89/015; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974; Y10S411/979; Y10S411/98; Y10S411/982; Y10S411/984; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20762

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) 1943-02-05 1943-08-07 1944-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-02-05 1947-08-07 1948-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-02-05 1951-08-07 1952-02-06 $7700.00 Window Closed / Lapsed

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