US3399428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for molding plastic material
Assignee: Individual
•
Filing: 1966-06-10
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Granted: 1968-09-03
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Expires: 1986-06-10
Abstract
No abstract record available.
Inventors
- 👤 Emery I Valyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:36
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; B29C45/26; B29C45/27; B29C45/2701
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A PLASTIC MOLDING APPARATUS A SEAMLESS TUBE HAVING A SMOOTH INNER SURFACE FOR THE UNIMPEDED FLOW OF PLASTIC, A SPLIT BLOCK COMPOSED OF PARTS HAVING MATING CHANNELS FORMED THEREIN AND CONFORMING TO THE SHAPE OF SAID TUBE, MEANS CLAMPING SAID PARTS TOGETHER WITH THE TUBE REMOVABLY CLAMPED IN SAID CHANNELS, MEANS INTRODUCING PLASTIC MATERIAL INTO ONE END OF SAID TUBE, AND A MEMBER POSITIONED TO RECEIVE SAID PLASTIC FROM THE OTHER END OF SAID TUBE.
Claim 2
Dependent Claim
76 words
IN A PLASTIC MOLDING APPARATUS A SEAMLESS TUBE HAVING A SMOOTH INNER SURFACE FOR THE UNIMPEDED FLOW OF PLASTIC, A SPLIT BLOCK COMPOSED OF PARTS HAVING MATING CHANNELS FORMED THEREIN AND CONFORMING TO THE SHAPE OF SAID TUBE, MEANS CLAMPING SAID PARTS TOGETHER WITH THE TUBE REMOVABLY CLAMPED IN SAID CHANNELS, MEANS INTRODUCING PLASTIC MATERIAL INTO ONE END OF SAID TUBE, AND A MEMBER POSITIONED TO RECEIVE SAID PLASTIC FROM THE OTHER END OF SAID TUBE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |