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US2553777A Expired / Lapsed US ⏱️ 0.0 years remaining

Parasiticidal compositions containing substituted dithiotrichloro methanes

Assignee: Standard Oil Development Co
•
Filing: 1949-11-08
•
Granted: 1951-05-22
•
Expires: 1969-11-08
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Abstract

No abstract record available.

Inventors

  • 👤 Roger S Hawley
  • 👤 Allen R Kittleson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:02
CPC Classifications
C; C07; C07C; C07C329/00

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 12 words
A PARASITICIDAL COMPOSITION COMPRISING A SUBSTITUTED DITHIOTRICHLORO METHANE HAVING THE GENERAL FORMULA

References Cited (Backward Citations)

US2150759A Cited
US2259869A Cited
US2333084A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-05-21 1954-11-20 1955-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-05-21 1958-11-20 1959-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-05-21 1962-11-20 1963-05-22 $7700.00 Window Closed / Lapsed

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