US3348041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the corona discharge treatment of plastic surfaces having an adjustable length electrode assembly
Assignee: Union Carbide Corp
•
Filing: 1964-12-30
•
Granted: 1967-10-17
•
Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Louis A Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:33
CPC Classifications
H; H01; H01T; H01T19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN ADJUSTABLE LENGTH ELECTRODE ASSEMBLY FOR CORONA DISCHARGE TREATMENT OF PLASTIC SURFACES COMPRISING A LONGITUDINALLY FLEXIBLE CONDUCTIVE MEMBER HAVING A PLURALITY OF EDGES OF SMALL RADIUS OF CURVATURE PROJECTING FROM THE LONGITUDINAL AXIS THEREOF, TO DEFINE A SUBSTANTIALLY UNIFORM PERIPHERY ON AT LEAST ONE LONGITUDINAL SIDE OF SAID MEMBER, SAID MEMBER ADAPTED TO BE POSITIONED IN CLOSE PROXIMITY WITH THE PLASTIC SURFACE TO BE TREATED FOR CREATING AN IONIZING GAP BETWEEN SAID SURFACE AND SAID PERIPHERY, A CURRENT CONDUCTING MATERIAL ON THE RE-
Claim 2
Dependent Claim
83 words
AN ADJUSTABLE LENGTH ELECTRODE ASSEMBLY FOR CORONA DISCHARGE TREATMENT OF PLASTIC SURFACES COMPRISING A LONGITUDINALLY FLEXIBLE CONDUCTIVE MEMBER HAVING A PLURALITY OF EDGES OF SMALL RADIUS OF CURVATURE PROJECTING FROM THE LONGITUDINAL AXIS THEREOF, TO DEFINE A SUBSTANTIALLY UNIFORM PERIPHERY ON AT LEAST ONE LONGITUDINAL SIDE OF SAID MEMBER, SAID MEMBER ADAPTED TO BE POSITIONED IN CLOSE PROXIMITY WITH THE PLASTIC SURFACE TO BE TREATED FOR CREATING AN IONIZING GAP BETWEEN SAID SURFACE AND SAID PERIPHERY, A CURRENT CONDUCTING MATERIAL ON THE RE-
References Cited (Backward Citations)
US3183352A
Cited
US3244000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |