US2668134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating polyethylene and coated product
Assignee: Plax Corp
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Filing: 1948-08-31
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Granted: 1954-02-02
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Expires: 1968-08-31
Abstract
No abstract record available.
Inventors
- 👤 Paul V Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:48
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/22; C23C18/24; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/93
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
THE PROCESS OF BONDING A POLYETHYLENE SURFACE TO ANOTHER SURFACE WHICH COMPRISES EXPOSING THE POLYETHYLENE SURFACE TO A BATH OF SULPHURIC ACID AND SODIUM DICHROMATE, WASHING, AND BONDING THE SURFACES TOGETHER WITH A POLAR CEMENT.
References Cited (Backward Citations)
US2125374A
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US2215196A
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US2341885A
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US2400720A
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US2418018A
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US2413789A
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US2431956A
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US2448536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |