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US3197352A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming rigid panels and rigid panel products

Assignee: Individual
•
Filing: 1962-08-17
•
Granted: 1965-07-27
•
Expires: 1982-08-17
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Abstract

No abstract record available.

Inventors

  • 👤 James M Coates

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 10:27
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C44/00; B29C44/02; B29C44/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2642920A Cited
US2850890A Cited
US2875117A Cited
US2951001A Cited
US2972559A Cited
US3043730A Cited
US3047449A Cited
US3041220A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-26 1969-01-25 1969-07-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-26 1973-01-25 1973-07-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-26 1977-01-25 1977-07-27 $7700.00 Window Closed / Lapsed

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