US3585680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for the continuous production of shaped lengths of foam plastics
Assignee: Bayer AG
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Filing: 1969-05-19
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Granted: 1971-06-22
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Expires: 1989-05-19
Abstract
Abstract APPARATUS SUITABLE FOR CONTINUOUS PRODUCTION OF ELONGATED SHAPED ELEMENTS OF FOAM PLASTICS. A SINGLE JOINTEDBAND, ENDLESS CONVEYOR HAVING SHAPING MOULD ELEMENTS MOUNTED ON THE CONVEYOR BELT MEMBERS IS EMPLOYED. THE SHAPING MOULD ELEMENTS EACH INCLUDE A HINGED SECTION WHICH IS GUIDED INTO AND OUT OF THE MOULDING POSITION ALONG ONE FLIGHT OF THE CONVEYOR.
Inventors
- 👤 Karl-Heinz Eisenmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:48
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29C44/322; B29C44/324
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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |