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US3134784A Expired / Lapsed US ⏱️ 0.0 years remaining

N,n'-diethylene-n"-(1,3,4-thiadiazol-2-yl) phosphoramides

Assignee: Wyeth Holdings LLC
•
Filing: 1962-06-15
•
Granted: 1964-05-26
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Expires: 1982-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Seeger Doris Ruth
  • 👤 Tomcufcik Andrew Stephen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:28
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/44; C08G59/446; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/553; C07F9/564; C07F9/6536; C07F9/6539; C07F9/65392; C07F9/65395

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:

References Cited (Backward Citations)

US2966495A Cited
US3025303A Cited
US3041241A Cited
US3051625A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-26 1967-11-25 1968-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-26 1971-11-25 1972-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-26 1975-11-25 1976-05-26 $7700.00 Window Closed / Lapsed

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