Patent US3605189A successfully refreshed from Google Patents.
US3605189A
Expired / Lapsed
US
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Apparatus for forming plastic tubing
Assignee: Acme Hamilton Manufacturing Corp
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Filing: 1968-11-01
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Granted: 1971-09-20
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Expires: 1988-11-01
Abstract
Abstract APPARATUS FOR FORMING PLASTIC TUBING FROM CONTINUOUSLY EXTRUDED PLASTIC STRIP WHICH MAY BE OF A HOMOGENEOUS OR COMPOSITE NATURE, WHEREIN THE STRIP IS PASSED TO DIE MEANS TO CONVERT THE SAME INTO TUBULAR FORM AND INCLUDING IMPROVED GUIDE MEANS FOR DIRECTING THE MOVING STRIP INTO A HELICAL PATH AND TO BRING THE SUCCESSIVE CONVOLUTIONS OF THE STRIP INTO LATERALLY ABUTTING RELATION.
Inventors
- 👤 Joseph F Bauman
- 👤 Thomas A Caserta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:54
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/15; B29C48/151; B29C48/152; B29C48/153; B29C48/03; B29C48/09
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |