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US3189657A Expired / Lapsed US ⏱️ 0.0 years remaining

5-(3-bromopropylidene) dibenzo-[a, d] cyclohepta (1.4)diene

Assignee: Eli Lilly and Co
•
Filing: 1960-11-03
•
Granted: 1965-06-15
•
Expires: 1980-11-03
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Abstract

No abstract record available.

Inventors

  • 👤 Mills Jack

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:17
CPC Classifications
C; C07; C07C; C07C25/00; C07C25/18; C07C25/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3074931A Cited
US3126411A Cited
US2914528A Cited
US3000898A Cited
US3116291A Cited
US3073847A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-14 1968-12-14 1969-06-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-14 1972-12-14 1973-06-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-14 1976-12-14 1977-06-15 $7700.00 Window Closed / Lapsed

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