US3067119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface treatment of films
Assignee: Akzo Nobel UK PLC
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Filing: 1960-02-11
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Granted: 1962-12-04
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Expires: 1980-02-11
Abstract
No abstract record available.
Inventors
- 👤 Lawrence T Ramaika
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:15
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/10; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/10; B29K2023/12; B29K2027/00; B29K2027/06; B29K2027/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A METHOD OF IMPROVING THE SURFACE ANCHORAGE CHARACTERISTICS OF PLASTIC STRUCTURES WHICH COMPRISES PASSING THE PLASTIC STRUCTURE ALONG WITH A LAYER OF DIELECTRIC MATERIAL INTO AN ELECTRIC GLOW DISCHARGE FORMED BETWEEN A PAIR OF SPACED BARE ELECTRODES, SAID LAYER OF DIELECTRIC MATERIAL SERVING AS AN ELECTRIC BUFFER INSULATION FOR SHIELDING THE ELECTRODE SURFACE AGAINST DAMAGE IN THE EVENT OF TEMPORARY ELECTRODE ARCING, AND CONTINUOUSLY AND CONCOMITANTLY ADVANCING THE PLASTIC STRUCTURE AND LAYER OF DIELECTRIC MATERIAL THROUGH THE ELECTRIC GLOW DISCHARGE AND RELATIVE TO BOTH OF SAID ELECTRODES WHEREBY DAMAGE TO ANY ONE PORTION OF THE LAYER OF DIELECTRIC MATERIAL IS NOT REPEATEDLY REFLECTED IN PORTIONS OF THE PLASTIC STRUCTURE SUBSEQUENTLY PASSED THROUGH THE ELECTRIC GLOW DISCHARGE.
Claim 2
Independent Claim
116 words
A METHOD OF IMPROVING THE SURFACE ANCHORAGE CHARACTERISTICS OF PLASTIC STRUCTURES WHICH COMPRISES PASSING THE PLASTIC STRUCTURE ALONG WITH A LAYER OF DIELECTRIC MATERIAL INTO AN ELECTRIC GLOW DISCHARGE FORMED BETWEEN A PAIR OF SPACED BARE ELECTRODES, SAID LAYER OF DIELECTRIC MATERIAL SERVING AS AN ELECTRIC BUFFER INSULATION FOR SHIELDING THE ELECTRODE SURFACE AGAINST DAMAGE IN THE EVENT OF TEMPORARY ELECTRODE ARCING, AND CONTINUOUSLY AND CONCOMITANTLY ADVANCING THE PLASTIC STRUCTURE AND LAYER OF DIELECTRIC MATERIAL THROUGH THE ELECTRIC GLOW DISCHARGE AND RELATIVE TO BOTH OF SAID ELECTRODES WHEREBY DAMAGE TO ANY ONE PORTION OF THE LAYER OF DIELECTRIC MATERIAL IS NOT REPEATEDLY REFLECTED IN PORTIONS OF THE PLASTIC STRUCTURE SUBSEQUENTLY PASSED THROUGH THE ELECTRIC GLOW DISCHARGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |