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US1805609A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricating system

Assignee: Individual
•
Filing: 1929-03-30
•
Granted: 1931-05-19
•
Expires: 1949-03-30
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Abstract

No abstract record available.

Inventors

  • 👤 Wilson Tom

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:23
CPC Classifications
F; F16; F16N; F16N25/00; F16N25/04

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) 1934-05-18 1934-11-17 1935-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-05-18 1938-11-17 1939-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-05-18 1942-11-17 1943-05-19 $7700.00 Window Closed / Lapsed

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