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US3501465A Expired / Lapsed US ⏱️ 0.0 years remaining

3-indolyl lower aliphatic amines

Assignee: Merck and Co Inc
•
Filing: 1967-11-29
•
Granted: 1970-03-17
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Expires: 1987-11-29
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Abstract

No abstract record available.

Inventors

  • 👤 Tsung-Ying Shen
  • 👤 Lewis H Sarett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:40
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/08; C07D209/12; C07D209/14; C07D209/16; C07D209/18; C07D209/26; C07D209/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

BE621313A Cited
US3072530A Cited
US3183235A Cited
BE615395A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-03-16 1973-09-15 1974-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-03-16 1977-09-15 1978-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-03-16 1981-09-15 1982-03-17 $7700.00 Window Closed / Lapsed

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