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US3556882A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of rendering thermoplastics receptive to coatings

Assignee: Celanese Corp
•
Filing: 1967-07-13
•
Granted: 1971-01-19
•
Expires: 1987-07-13
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Abstract

Abstract DISCLOSED HEREIN IS A DESCRIPTION OF A NEW AND IMPROVED PROCESS FOR ETCHING THERMOPLASTIC RESINS TO PREPARE THE SURFACE OF SUCH RESINS FOR PAINTING OR OTHER COATING.

Inventors

  • 👤 David H Fishman
  • 👤 Harry T Hanson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:33
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/14; C08J7/04; C08J7/0427; C08J7/043; C08J2359/00; C08J2359/02

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-01-18 1974-07-20 1975-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-18 1978-07-20 1979-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-18 1982-07-20 1983-01-19 $7700.00 Window Closed / Lapsed

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