US3621535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing articles from plastic material
Assignee: Individual
•
Filing: 1969-10-08
•
Granted: 1971-11-23
•
Expires: 1989-10-08
Abstract
Abstract APPARATUS FOR MOULDING ARTICLES FROM PLASTIC MATERIALS COMPRISING A CONTAINER HOLDING A BODY OF PLASTIC MATERIAL AND HAVING A PLURALITY OF OPENINGS FOR RECEIVING MOULDS ON WHICH THE ARTICLES ARE TO BE FORMED, SAID CONTAINER BEING ROTATABLE TO MOVE ONE OF THE MOULDS SO THAT IT IS AT THE BOTTOM OF THE CONTAINER WITH ITS MOULD SURFACE FACING INTO THE CONTAINER AND COVERED WITH THE PLASTIC MATERIAL, AND MEANS FOR HEATING SAID ONE MOULD TO FORM A PLASTIC ARTICLE THEREON.
Inventors
- 👤 Lars Ringdal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:57
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/34; B29C33/36; B29B; B29B13/00; B29B13/007; B29C41/00; B29C41/02; B29C41/18; B29C41/34; B29C41/46; B29K; B29K2105/00; B29K2105/25; B29K2105/251
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) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |