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US3171870A Expired / Lapsed US ⏱️ 0.0 years remaining

Polymer processing

Assignee: North American Aviation Corp
•
Filing: 1960-07-01
•
Granted: 1965-03-02
•
Expires: 1980-07-01
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Abstract

No abstract record available.

Inventors

  • 👤 Vernon H Monteil
  • 👤 Misko George

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:49
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/24; C08J3/247; B; B29; B29C; B29C39/00; C06; C06B; C06B21/00; C06B21/0008; C06B21/0025; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G59/00; C08G59/18

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 60 words
A PROCESS FOR THE PREPARATION OF AN ARTICLE WHICH IS COMPRISED OF POLYMERIC SUBSTANCES COMPRISING PROVIDING A LIQUID POLYMERIC MATERIAL CAPABLE OF FORMING A COHESIVE SUBSTANCE UPON CURING, SOLIDIFYING SAID MATERIAL IN A CUREINHIBITING FROZEN STATE, SUBJECTING AN INCREMENT OF SAID SOLIDIFIED MATERIAL TO CURING CONDITIONS AND CONCURRENTLY MAINTAINING AND ADJACENT INCREMENT OF SAID SOLIDIFIED MATERIAL IN A CURE-INHIBITING STATE.
Claim 2
Dependent Claim 60 words
A PROCESS FOR THE PREPARATION OF AN ARTICLE WHICH IS COMPRISED OF POLYMERIC SUBSTANCES COMPRISING PROVIDING A LIQUID POLYMERIC MATERIAL CAPABLE OF FORMING A COHESIVE SUBSTANCE UPON CURING, SOLIDIFYING SAID MATERIAL IN A CUREINHIBITING FROZEN STATE, SUBJECTING AN INCREMENT OF SAID SOLIDIFIED MATERIAL TO CURING CONDITIONS AND CONCURRENTLY MAINTAINING AND ADJACENT INCREMENT OF SAID SOLIDIFIED MATERIAL IN A CURE-INHIBITING STATE.

References Cited (Backward Citations)

US1739761A Cited
US2057674A Cited
US2168331A Cited
US2187146A Cited
US2136423A Cited
US2136424A Cited
US2136422A Cited
US2307371A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-01 1968-08-31 1969-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-01 1972-08-31 1973-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-01 1976-08-31 1977-03-02 $7700.00 Window Closed / Lapsed

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