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US3418198A Expired / Lapsed US ⏱️ 0.0 years remaining

Non-roughening microporous laminate and process for producing the same

Assignee: EIDP Inc
•
Filing: 1966-11-14
•
Granted: 1968-12-24
•
Expires: 1986-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 Robert V Einstman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 12:10
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; B; B29; B29C; B29C67/00; B29C67/20; B29C67/202; B32; B32B; B32B27/00; D; D06; D06N; D06N3/00; D06N3/007; D06N3/0079; D06N3/0086; D06N3/0088; D06N3/12; D06N3/14; C08J2201/00; C08J2201/04; C08J2201/054; C08J2201/0542; C08J2201/0544; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/313; Y10T442/3707; Y10T442/378; Y10T442/3813; Y10T442/60; Y10T442/659; Y10T442/666; Y10T442/667; Y10T442/671

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2940871A Cited
US3042573A Cited
US3100721A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-24 1972-06-24 1972-12-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-24 1976-06-24 1976-12-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-24 1980-06-24 1980-12-24 $7700.00 Window Closed / Lapsed

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