US3790651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of plasticcoated tubular articles
Assignee: Wacker Chemical Corp
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Filing: 1971-08-05
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Granted: 1974-02-05
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Expires: 1991-08-05
Abstract
Abstract Method of continuously applying a plastic coating to a tubular article normally one which is not self-supporting. The said tubular article in flattened condition is passed over a ball means which coats with extrusion inlet to restore the flattened article into cylindrical configuration for coating of said tubular article. The plastic is formed as an annular stream into which the article is passed.
Inventors
- 👤 S Meitinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:37
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/09; B29C48/15; B29C48/151
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |