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US3320262A Expired / Lapsed US ⏱️ 0.0 years remaining

14 hydroxy morphine and codeine carboxymethyloximes

Assignee: LEWENSTEIN
•
Filing: 1964-09-22
•
Granted: 1967-05-16
•
Expires: 1984-09-22
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Abstract

No abstract record available.

Inventors

  • 👤 Lewenstein Evalina
  • 👤 Fishman Jack

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:33
CPC Classifications
C; C07; C07D; C07D489/00; C07D489/06; C07D489/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
CARBOXYMETHYLOXIME COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim 5 words
CARBOXYMETHYLOXIME COMPOUND OF THE FORMULA:

References Cited (Backward Citations)

US3162639A Cited
US2770569A Cited
US3080287A Cited
US3060091A Cited
US3135758A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-15 1970-11-14 1971-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-15 1974-11-14 1975-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-15 1978-11-14 1979-05-16 $7700.00 Window Closed / Lapsed

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