Patent US3196270A successfully refreshed from Google Patents.
US3196270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating of plastic surfaces
Assignee: Union Carbide Corp
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Filing: 1962-07-31
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Granted: 1965-07-20
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Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Louis A Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:56
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B7/282; H01B7/2825; B; B26; B26F; B26F1/00; B26F1/26; B26F1/28; B29; B29C; B29C59/00; B29C59/10; B29C59/103; B29C59/106; B29C66/00; B29C66/01; B29C66/02; B29C66/028; B29C66/40; B29C66/41; B29C65/00; B29C65/02; B29C65/48; B29C66/70; B29C66/71; B29K; B29K2007/00; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/10; B29K2023/12; B29K2025/00; B29L; B29L2007/00; B29L2007/008; B29L2023/00; B29L2023/22; B29L2031/00; B29L2031/712; B29L2031/7158; Y; Y02; Y02A; Y02A30/00; Y02A30/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A METHOD FOR THE TREATMENT OF POLYMER SURFACES WHICH COMPRISES EXPOSING ONE SIDE OF A POLYMER SURFACE TO CORONA AURA OF A SERIES OF OPPOSITE POLARITY DIRECT CURRENT CORONA ON SAID SIDE SUSTAINED BY DIRECT CURRENT POTEN-
Claim 2
Independent Claim
37 words
A METHOD FOR THE TREATMENT OF POLYMER SURFACES WHICH COMPRISES EXPOSING ONE SIDE OF A POLYMER SURFACE TO CORONA AURA OF A SERIES OF OPPOSITE POLARITY DIRECT CURRENT CORONA ON SAID SIDE SUSTAINED BY DIRECT CURRENT POTEN-
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |