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US1569751A Expired / Lapsed US ⏱️ 0.0 years remaining

Dustproof bearing

Assignee: Marlin Rockwell Corp
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Filing: 1922-11-20
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Granted: 1926-01-12
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Expires: 1942-11-20
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Abstract

No abstract record available.

Inventors

  • 👤 Howard R Higgins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:44
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; Y; Y10; Y10S; Y10S16/00; Y10S16/27; Y10S29/00; Y10S29/034; Y10T; Y10T82/00; Y10T82/25; Y10T82/2568

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) 1929-01-11 1929-07-13 1930-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1933-01-11 1933-07-13 1934-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1937-01-11 1937-07-13 1938-01-12 $7700.00 Window Closed / Lapsed

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