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US2574634A Expired / Lapsed US ⏱️ 0.0 years remaining

Irrigating machine

Assignee: Individual
•
Filing: 1946-04-03
•
Granted: 1951-11-13
•
Expires: 1966-04-03
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Abstract

No abstract record available.

Inventors

  • 👤 William L Frampton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:06
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/605

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1068796A Cited
US1068797A Cited
US1107119A Cited
US1726986A Cited
US1658202A Cited
US1855459A Cited
US1759988A Cited
US1919703A Cited
US2074251A Cited
US2331144A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-11-12 1955-05-14 1955-11-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-11-12 1959-05-14 1959-11-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-11-12 1963-05-14 1963-11-13 $7700.00 Window Closed / Lapsed

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