Patent US3568256A successfully refreshed from Google Patents.
US3568256A
Expired / Lapsed
US
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Plastic feeder head
Assignee: J&J Machine Co Inc
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Filing: 1968-07-15
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Granted: 1971-03-09
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Expires: 1988-07-15
Abstract
Abstract THIS SPECIFICATION DISCLOSES A FEEDER HEAD OF THE TYPE NOW COMMONLY EMPLOYED IN THE MOLDING OF PLASTICS FOR THE PURPOSE OF DELIVERING PLASTIC TO A MOLD. THE HEAD COMPRISES TWO COAXIAL CYLINDRICAL PARTS. ONE OF THESE HAS A PASSAGE COMMUNICATING WITH THE SUPPLY OF PLASTIC. THE OTHER CARRIES A PLURALITY OF NOZZLES EACH OF WHICH IS CONNECTED BY A BRANCH PASSAGE TO A MANIFOLD IN COMMUNICATION WITH THE SUPPLY PASSAGE IN THE HEAD PART AFORESAID. THE HEAD PARTS ARE ANGULARLY ADJUSTABLE AND HELD IN AN ADJUSTED POSITION BY A PAIR OF SCREW BOLTS ANCHORED IN THE FIRST HEAD PART AND PASSING THROUGH DIAMETRICALLY OPPOSED ARCUATE SLOTS IN THE OTHER PART.
Inventors
- 👤 Clifford David Johnson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:07
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; B29C45/22
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |