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US2870145A Expired / Lapsed US ⏱️ 0.0 years remaining

Therapeutic agents

Assignee: Bristol Laboratories Inc
•
Filing: 1955-09-09
•
Granted: 1959-01-20
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Expires: 1975-09-09
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Abstract

No abstract record available.

Inventors

  • 👤 Perron Yvon Gaston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:11
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/28; C07D265/30; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 24 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A FREE BASE AND THE NON-TOXIC ACID ADDITION SALTS THEREOF, SAID FREE BASE HAVING THE FORMULA
Claim 2
Dependent Claim 24 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A FREE BASE AND THE NON-TOXIC ACID ADDITION SALTS THEREOF, SAID FREE BASE HAVING THE FORMULA

References Cited (Backward Citations)

US1936496A Cited
DE822386C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-01-19 1962-07-21 1963-01-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-01-19 1966-07-21 1967-01-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-01-19 1970-07-21 1971-01-20 $7700.00 Window Closed / Lapsed

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