Patent US3557404A successfully refreshed from Google Patents.
US3557404A
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Arrangements for the continuous manufacture of moulded articles
Assignee: Zippel GmbH and Co KG
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Filing: 1968-08-12
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Granted: 1971-01-26
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Expires: 1988-08-12
Abstract
Abstract ARRANGEMENTS ARE DISCLOSED FOR THE CONTINUOUS MANUFACTURE OF MOLDED ARTICLES FROM SYNTHETIC PLASTIC MATERIALS WHICH COMPRISE TWO CONVEYORS EACH HAVING AN UPPER AND A LOWER RUN, THE UPPER RUN OF ONE CONVEYOR BEING IMMEDIATELY ADJACENT THE LOWER RUN OF THE OTHER CONVEYOR. EACH CONVEYOR CARRIES ONE OR MORE MOULD PARTS WHICH FORM ONE OR MORE MOULDS WHILE TRAVELLING ALONG THE IMMEDIATELY ADJACENT RUNS, MEANS BEING PROVIDED FOR FEEDING PLASTICS MATERIALS FROM A MIXING CHAMBER TO THE MOULD PARTS.
Inventors
- 👤 Richard Zippel
- 👤 Fritz Wiegert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:22
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0046; B29C; B29C33/00; B29C39/00; B29C39/14; B29C39/16; B29C43/00; B29C43/22; B29C43/224; B29C44/00; B29C44/20; B29C44/30; B29C33/34; B29C33/36; B29K; B29K2105/00; B29K2105/04; B29L; B29L2031/00; B29L2031/06; B29L2031/48; B29L2031/50; B29L2031/504; Y; Y10; Y10S; Y10S425/00; Y10S425/044
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |