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US3033748A Expired / Lapsed US ⏱️ 0.0 years remaining

16-oxy-pregnanes

Assignee: CIBA PHARMACENTICAL PRODUCTS I
•
Filing: 1958-12-17
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Granted: 1962-05-08
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Expires: 1978-12-17
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Abstract

No abstract record available.

Inventors

  • 👤 Wettstein Albert
  • 👤 Neher Robert
  • 👤 Saulles Pierre-Antoine De
  • 👤 Vischer Ernst
  • 👤 Wieland Peter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 05:42
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/911

Claims Analysis

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

References Cited (Backward Citations)

US2782193A Cited
US2901492A Cited
US2727909A Cited
US2855410A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-07 1965-11-06 1966-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-07 1969-11-06 1970-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-07 1973-11-06 1974-05-08 $7700.00 Window Closed / Lapsed

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