Patent US2767103A successfully refreshed from Google Patents.
US2767103A
Expired / Lapsed
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Method and apparatus for treatment of polyethylene
Assignee: Plax Corp
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Filing: 1954-04-30
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Granted: 1956-10-16
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Expires: 1974-04-30
Abstract
No abstract record available.
Inventors
- 👤 Serge A Loukomsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:47
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/08; B29C66/00; B29C66/01; B29C66/02; B29C66/028; B29C66/70; B29C66/71; B29C65/00; B29C65/48; B29K; B29K2023/00; B29K2023/04; B29K2023/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
THE PROCESS FOR MAKING THE SURFACE OF A POLYETHYLENE FILM MORE RECEPTIVE TO ADHESIVES, INKS AND THE LIKE, WHEREIN THE FILM IS DRAWN OVER A LIQUID-COOLED SUPPORTING MEMBER IN SLIDING SURFACE ENGAGEMENT THEREWITH, CREATING A PARTIAL VACUUM ON THE SURFACE OF THE FILM
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |