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US2619890A Expired / Lapsed US ⏱️ 0.0 years remaining

Tillage implement frame

Assignee: Individual
•
Filing: 1946-08-17
•
Granted: 1952-12-02
•
Expires: 1966-08-17
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Abstract

No abstract record available.

Inventors

  • 👤 Milner E Larsen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 10:09
CPC Classifications
A; A01; A01B; A01B51/00; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7001; Y10T403/7003; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7084

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US67483A Cited
US75871A Cited
GB190210164A Cited
US1523072A Cited
US1532986A Cited
US1732724A Cited
US1888945A Cited
US1984916A Cited
US2179089A Cited
US2430223A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-12-02 1956-06-02 1956-12-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-12-02 1960-06-02 1960-12-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-12-02 1964-06-02 1964-12-02 $7700.00 Window Closed / Lapsed

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