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US3255208A Expired / Lapsed US ⏱️ 0.0 years remaining

Dimethyl-beta-propiothetin and related compounds

Assignee: CIVILE DE RECHERCHES ET D'APPLICATIONS SCIENTIFIQUES Ste
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Filing: 1963-04-05
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Granted: 1966-06-07
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Expires: 1983-04-05
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Abstract

No abstract record available.

Inventors

  • 👤 Eugene L Leroi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:32
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/62; A; A61; A61K; A61K31/00; C07C; C07C381/00; C07C381/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2178353A Cited
US2602801A Cited
US2794045A Cited
US3002886A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-06 1969-12-06 1970-06-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-06 1973-12-06 1974-06-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-06 1977-12-06 1978-06-07 $7700.00 Window Closed / Lapsed

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