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US3313686A Expired / Lapsed US ⏱️ 0.0 years remaining

Palatable antitussive agent-resin complex

Assignee: ER Squibb and Sons LLC
•
Filing: 1962-08-24
•
Granted: 1967-04-11
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Expires: 1982-08-24
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Abstract

No abstract record available.

Inventors

  • 👤 Wilbur L Bryan
  • 👤 Urs F Nager
  • 👤 Frederick Y Wiselogle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:00
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/50; A61K47/51; A61K47/56; A61K47/58; A61K47/585; C; C07; C07D; C07D513/00; C07D513/02; C07D513/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 8 words
A COMPLEX OF AN AZAPHENOTHIAZINE OF THE FORMULA
Claim 2
Dependent Claim 8 words
A COMPLEX OF AN AZAPHENOTHIAZINE OF THE FORMULA

References Cited (Backward Citations)

US2989529A Cited
US2990332A Cited
US3070508A Cited
US3085942A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-10 1970-10-10 1971-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-10 1974-10-10 1975-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-10 1978-10-10 1979-04-11 $7700.00 Window Closed / Lapsed

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