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US3455987A Expired / Lapsed US ⏱️ 0.0 years remaining

P-hydroxylaminobenzoylaminoacetonitriles and preparation thereof

Assignee: Abbott Laboratories
•
Filing: 1966-06-17
•
Granted: 1969-07-15
•
Expires: 1986-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Morris Freifelder

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 08:48
CPC Classifications
C; C07; C07C; C07C255/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2423180A Cited
US2631167A Cited
US3063980A Cited
US2927126A Cited
US3177258A Cited
US3079435A Cited
US3253021A Cited
US3145231A Cited
US3291832A Cited
US3301652A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-14 1973-01-13 1973-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-14 1977-01-13 1977-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-14 1981-01-13 1981-07-15 $7700.00 Window Closed / Lapsed

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