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US2572987A Expired / Lapsed US ⏱️ 0.0 years remaining

Artificial insemination device

Assignee: ARTIFICIAL INSEMINATION SUPPLY
•
Filing: 1949-04-18
•
Granted: 1951-10-30
•
Expires: 1969-04-18
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Abstract

No abstract record available.

Inventors

  • 👤 Coles John Hooper
  • 👤 Wilfrid D Davies

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:14
CPC Classifications
A; A61; A61D; A61D19/00; A61D19/02; A61D19/027; Y; Y10; Y10S; Y10S604/00; Y10S604/906

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1606034A Cited
US899728A Cited
US1993629A Cited
US1993630A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-10-29 1955-04-30 1955-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-10-29 1959-04-30 1959-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-10-29 1963-04-30 1963-10-30 $7700.00 Window Closed / Lapsed

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