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US2445797A Expired / Lapsed US ⏱️ 0.0 years remaining

Tractor drive

Assignee: Individual
•
Filing: 1943-09-29
•
Granted: 1948-07-27
•
Expires: 1963-09-29
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Abstract

No abstract record available.

Inventors

  • 👤 Harry W Moore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:04
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; F16H7/0827; F16H9/00; F16H9/02; F16H9/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US267364A Cited
US804980A Cited
US1085379A Cited
US1443951A Cited
US2336642A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-07-27 1952-01-26 1952-07-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-07-27 1956-01-26 1956-07-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-07-27 1960-01-26 1960-07-27 $7700.00 Window Closed / Lapsed

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