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US3464935A Expired / Lapsed US ⏱️ 0.0 years remaining

Rigid,non - elastomeric,non - cellular,fiber reinforced polyether-urethane compositions

Assignee: Honeywell International Inc
•
Filing: 1966-04-05
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Granted: 1969-09-02
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Expires: 1986-04-05
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph J Sepkoski
  • 👤 Robert F Trepa
  • 👤 Edward R Degginger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:50
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/4804; C08L; C08L75/00; C08L75/04; C08L75/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2751363A Cited
GB935424A Cited
GB894924A Cited
GB912555A Cited
US3310533A Cited
US3245827A Cited
US3309261A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-01 1973-03-03 1973-09-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-01 1977-03-03 1977-09-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-01 1981-03-03 1981-09-02 $7700.00 Window Closed / Lapsed

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