US3564660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding machine
Assignee: Individual
•
Filing: 1968-12-09
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Granted: 1971-02-23
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Expires: 1988-12-09
Abstract
Abstract AN INJECTION MOLDING MACHINE FOR MOLDING A BOX-LIKE OBJECT HAVING PLURAL INTERNAL WALLS FORMING CORRESPONDING COMPARTMENTS SEPARATED BY PARTITIONS, SUCH AS CARRYING CASES OR BOXES FOR THE DAIRY AND BEVERAGE INDUSTRIES, IN WHICH THE MACHINE INCLUDES A MOLD HAVING AN EJECTION SECTION AND AN INJECTION SECTION, WITH PROVISION ON THE EJECTION SECTION FOR FORMING ALL OF THE ESSENTIAL STRUCTURAL ELEMENTS OF THE MOLDED OBJECT.
Inventors
- 👤 George Darnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:27
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/33; B29C45/2624; B29C2045/338; Y; Y10; Y10S; Y10S425/00; Y10S425/005; Y10S425/058
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |