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US2668134A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for treating polyethylene and coated product

Assignee: Plax Corp
•
Filing: 1948-08-31
•
Granted: 1954-02-02
•
Expires: 1968-08-31
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Abstract

No abstract record available.

Inventors

  • 👤 Paul V Horton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 09:48
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/22; C23C18/24; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/93

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 35 words
THE PROCESS OF BONDING A POLYETHYLENE SURFACE TO ANOTHER SURFACE WHICH COMPRISES EXPOSING THE POLYETHYLENE SURFACE TO A BATH OF SULPHURIC ACID AND SODIUM DICHROMATE, WASHING, AND BONDING THE SURFACES TOGETHER WITH A POLAR CEMENT.

References Cited (Backward Citations)

US2125374A Cited
US2215196A Cited
US2341885A Cited
US2400720A Cited
US2418018A Cited
US2413789A Cited
US2431956A Cited
US2448536A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-02-01 1957-08-03 1958-02-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-02-01 1961-08-03 1962-02-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-02-01 1965-08-03 1966-02-02 $7700.00 Window Closed / Lapsed

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