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US3379515A Expired / Lapsed US ⏱️ 0.0 years remaining

High molecular weight imide substituted polymers as fuel detergents

Assignee: Individual
•
Filing: 1965-04-09
•
Granted: 1968-04-23
•
Expires: 1985-04-09
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Abstract

No abstract record available.

Inventors

  • 👤 Eddie G Lindstrom
  • 👤 Mehmedbasich Enver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 18:40
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/18; C08; C08F; C08F8/00; C08F8/30; C08F8/32; C08F8/46; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/236; C10L1/2364; C10L1/238; C10L1/2383; C10L10/02; C10L10/04; C08F2800/00; C08F2800/20; F; F02; F02B; F02B3/00; F02B3/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3010810A Cited
US3235503A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-23 1971-10-23 1972-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-23 1975-10-23 1976-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-23 1979-10-23 1980-04-23 $7700.00 Window Closed / Lapsed

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