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US3457264A Expired / Lapsed US ⏱️ 0.0 years remaining

N-(5h-dibenzo-(a,d)-cyclohepten - 5 - one-11-yl)-piperazines and method of preparing the same

Assignee: FARMOCHIMICA CUTOLO CALOSI SPA
•
Filing: 1965-07-06
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Granted: 1969-07-22
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Expires: 1985-07-06
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Abstract

No abstract record available.

Inventors

  • 👤 Rene Viterbo
  • 👤 Michele Mastursi
  • 👤 Sabino Lembo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:16
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/10; C07D295/08; C07D295/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3257404A Cited
US3337554A Cited
GB1068451A Cited
BE678483A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-21 1973-01-20 1973-07-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-21 1977-01-20 1977-07-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-21 1981-01-20 1981-07-22 $7700.00 Window Closed / Lapsed

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