US3587373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for making granules
Assignee: TARKELT AB
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Filing: 1968-03-13
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Granted: 1971-06-28
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Expires: 1988-03-13
Abstract
Abstract THIS INVENTION RELATES TO A METHOD OF MAKING GRANULES FROM BOTH RELATIVELY BRITTLE AND SOFT MATERIALS, SUCH AS FROZEN PVC OR RUBBER, AND TO AN APPARATUS FOR PERFORMING THE METHOD. CHARACTERISTIC OF THE METHOD IS THAT THE GRANULES ARE CUT INDIVIDUALLY ONE AFTER THE OTHER FROM EDGE OF A CONTINUOUSLY SUPPLIED WEB TOWARDS THE MIDDLE OF SAID WEB OR TOWARDS THE MIDDLE OF A NUMBER OF WIDTH SECTIONS OF SAID WEB BY CUTTING MEANS EACH HAVING TWO CUTTING EDGES WHICH MAKE AN ANGLE WITH EACH OTHER AND WITH THE PLANE OF THE WEB.
Inventors
- 👤 Carl Vicktor Astrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:48
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38; B29; B29B; B29B9/00; B29B9/02; B29B9/04; Y; Y10; Y10S; Y10S83/00; Y10S83/906; Y10T; Y10T83/00; Y10T83/04; Y10T83/0524; Y10T83/0538; Y10T83/0543; Y10T83/0572; Y10T83/485; Y10T83/494; Y10T83/929; Y10T83/9314; Y10T83/9372; Y10T83/9396
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |