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US2472122A Expired / Lapsed US ⏱️ 0.0 years remaining

Milking barn

Assignee: Individual
•
Filing: 1944-04-20
•
Granted: 1949-06-07
•
Expires: 1964-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 Dorothy R Polivka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 13:58
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US343821A Cited
US357875A Cited
US1468829A Cited
US1797671A Cited
US1981166A Cited
US2081947A Cited
US2102267A Cited
US2269012A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-06-06 1952-12-06 1953-06-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-06-06 1956-12-06 1957-06-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-06-06 1960-12-06 1961-06-07 $7700.00 Window Closed / Lapsed

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