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US3371099A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydroxyalkyl-substituted polyalkyl-enepolyamino imides of polyhalo-polyhydromethanonaphthalene dicarboxylic acid

Assignee: Universal Oil Products Co
•
Filing: 1964-10-21
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Granted: 1968-02-27
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Expires: 1984-10-21
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Abstract

No abstract record available.

Inventors

  • 👤 Edward M Geiser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 19:54
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4042; C07; C07D; C07D209/00; C07D209/56; C07D209/58; C07D209/70; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1915334A Cited
US2075359A Cited
US3299094A Cited
US3280143A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-26 1971-08-28 1972-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-26 1975-08-28 1976-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-26 1979-08-28 1980-02-27 $7700.00 Window Closed / Lapsed

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