US2923964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of surfaces of polyethylene resins
Assignee: —
•
Filing: —
•
Granted: 1960-02-09
•
Expires: 1977-02-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:08
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 |