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US2862965A Expired / Lapsed US ⏱️ 0.0 years remaining

Pharmaceutical compounds

Assignee: Olin Corp
•
Filing: 1956-08-30
•
Granted: 1958-12-02
•
Expires: 1976-08-30
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Abstract

No abstract record available.

Inventors

  • 👤 William A Lott
  • 👤 Krapcho John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 00:02
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07C; C07C233/00; C07C233/01; C07C233/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 13 words
A COMPOUND OF THE LESS CONSISTING OF: FREE BASES HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim 13 words
A COMPOUND OF THE LESS CONSISTING OF: FREE BASES HAVING THE GENERAL FORMULA

References Cited (Backward Citations)

US2009144A Cited
US2733256A Cited
GB438659A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-01 1962-06-02 1962-12-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-01 1966-06-02 1966-12-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-01 1970-06-02 1970-12-02 $7700.00 Window Closed / Lapsed

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