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US3483069A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyurethane foam reinforced fibrous article and method of forming the same

Assignee: Arthur D Little Inc
•
Filing: 1965-08-23
•
Granted: 1969-12-09
•
Expires: 1985-08-23
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Abstract

No abstract record available.

Inventors

  • 👤 Walter J Cairns
  • 👤 Richard S Lindstrom

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:15
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0085; B; B29; B29C; B29C44/00; B29C44/02; B29C44/10; C08K; C08K7/00; C08K7/02; C08J2375/00; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10T; Y10T428/00; Y10T428/24; Y10T428/24025; Y10T428/24058; Y10T428/24124; Y10T428/249921; Y10T428/249953

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2140063A Cited
US2719795A Cited
US2832997A Cited
US3101292A Cited
US2917405A Cited
US3025202A Cited
GB885084A Cited
US3042573A Cited
US3004293A Cited
US3068545A Cited
US3306769A Cited
US3328198A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-08 1973-06-09 1973-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-08 1977-06-09 1977-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-08 1981-06-09 1981-12-09 $7700.00 Window Closed / Lapsed

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