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US3239535A Expired / Lapsed US ⏱️ 0.0 years remaining

1-methylpyrrolidine-1-oxide

Assignee: General Electric Co
•
Filing: 1963-10-31
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Granted: 1966-03-08
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Expires: 1983-10-31
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Scott Searles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 14:30
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/22; C07D295/24; C07C; C07C291/00; C07C291/02; C07C291/04; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5046; C08G59/5053; C08G59/506

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3047579A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-07 1969-09-06 1970-03-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-07 1973-09-06 1974-03-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-07 1977-09-06 1978-03-08 $7700.00 Window Closed / Lapsed

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