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US2923964A Expired / Lapsed US ⏱️ 0.0 years remaining

Treatment of surfaces of polyethylene resins

Assignee: —
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Filing: —
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Granted: 1960-02-09
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Expires: 1977-02-09
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:12
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/26; B41M1/30; B41M1/305

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 104 words
APPARATUS FOR THE TREATMENT OF THE SURFACES OF A CONTINUOUS FILM OF RESIN, SAID APPARATUS COMPRISING TWO ELECTRODES, ONE COMPRISING A PLURALITY OF SPACED WIRES AND THE OTHER A CONTINUOUS SURFACE, A SHEET OF DIELECTRIC MATERIAL ADJACENT TO ONE OF SAID ELECTRODES, MEANS FOR CAUSING A DIFFUSE ELECTRICAL DISCHARGE BETWEEN SAID ELECTRODES, MEANS FOR CONTINUOUSLY MOVING A FILM OF RESIN BETWEEN SAID ELECTRODES AND MEANS FOR SUPPORTING SAID FILM OF RESIN OUT OF CONTACT WITH SAID ELECTRODES WHILE SAID FILM OF RESIN IS MOVED BETWEEN SAID ELECTRODES SO AS TO SUBJECT SIMULTANEOUSLY BOTH SURFACES OF SAID FILM OF RESIN TO SAID DIFFUSE ELECTRICAL DISCHARGE.
Claim 2
Dependent Claim 104 words
APPARATUS FOR THE TREATMENT OF THE SURFACES OF A CONTINUOUS FILM OF RESIN, SAID APPARATUS COMPRISING TWO ELECTRODES, ONE COMPRISING A PLURALITY OF SPACED WIRES AND THE OTHER A CONTINUOUS SURFACE, A SHEET OF DIELECTRIC MATERIAL ADJACENT TO ONE OF SAID ELECTRODES, MEANS FOR CAUSING A DIFFUSE ELECTRICAL DISCHARGE BETWEEN SAID ELECTRODES, MEANS FOR CONTINUOUSLY MOVING A FILM OF RESIN BETWEEN SAID ELECTRODES AND MEANS FOR SUPPORTING SAID FILM OF RESIN OUT OF CONTACT WITH SAID ELECTRODES WHILE SAID FILM OF RESIN IS MOVED BETWEEN SAID ELECTRODES SO AS TO SUBJECT SIMULTANEOUSLY BOTH SURFACES OF SAID FILM OF RESIN TO SAID DIFFUSE ELECTRICAL DISCHARGE.

References Cited (Backward Citations)

US1878318A Cited
US2692178A Cited
US2647464A Cited
US2608717A Cited
BE510068A Cited
US2810933A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-02-08 1963-08-10 1964-02-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-02-08 1967-08-10 1968-02-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-02-08 1971-08-10 1972-02-09 $7700.00 Window Closed / Lapsed

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