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US2868784A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the manufacture of steroids

Assignee: CIBA PHARM PROD Inc
•
Filing: 1955-10-03
•
Granted: 1959-01-13
•
Expires: 1975-10-03
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Abstract

No abstract record available.

Inventors

  • 👤 Ruzicka Leopold
  • 👤 Jeger Oscar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:55
CPC Classifications
C; C07; C07J; C07J9/00; C07J75/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim 13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULA

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-01-12 1962-07-14 1963-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-01-12 1966-07-14 1967-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-01-12 1970-07-14 1971-01-13 $7700.00 Window Closed / Lapsed

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