US3195185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for injection molding
Assignee: Individual
•
Filing: 1962-02-08
•
Granted: 1965-07-20
•
Expires: 1982-02-08
Abstract
No abstract record available.
Inventors
- 👤 Goffin Jules
- 👤 Soroca Sol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:43
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/462; B29C45/463; A; A61; A61C; A61C13/00; A61C13/20; Y; Y10; Y10S; Y10S264/00; Y10S264/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
INJECTION MOLDING APPARATUS COMPRISING A HOUSING HAVING AN OPEN SIDE AND A PAIR OF WALLS EXTENDING INWARDLY WITHIN SAID HOUSING FORM THE OTHER SIDE, SAID WALLS HAVING HOLDING ELEMENTS TO SLIDINGLY RECEIVE THEREBETWEEN IN LOCKING ENGAGEMENT A HEATED PORTABLE UNIT COMPRISING A THIN-WALLED CARTRIDGE ADAPTED TO HOLD A THERMOPLASTIC MATERIAL AND FITTED WITHIN A THICK-WALLED CHAMBER FOR RETAINING THE HEAT, AND A PISTON RAM ASSEMBLY MOUNTED IN SAID HOUSING AND HAVING A PISTON ROD WITH A CROSS-SECTIONAL AREA OF SUBSTANTIALLY THE SAME SIZE AS SAID THIN-WALLED CARTRIDGE, SAID PISTON ROD ADAPTED TO BE DRIVEN THROUGH SAID CHAMBER TO COMPRESS SAID CARTRIDGE AND FORCE THE THREMOPLASTIC MATERIAL INTO A MOLDING FORM, AND EJECTOR MEANS MOUNTED ON SAID HOUSING TO COMPLETELY PURGE SAID CHAMBER OF SAID CARTRIDGE.
Claim 2
Dependent Claim
125 words
INJECTION MOLDING APPARATUS COMPRISING A HOUSING HAVING AN OPEN SIDE AND A PAIR OF WALLS EXTENDING INWARDLY WITHIN SAID HOUSING FORM THE OTHER SIDE, SAID WALLS HAVING HOLDING ELEMENTS TO SLIDINGLY RECEIVE THEREBETWEEN IN LOCKING ENGAGEMENT A HEATED PORTABLE UNIT COMPRISING A THIN-WALLED CARTRIDGE ADAPTED TO HOLD A THERMOPLASTIC MATERIAL AND FITTED WITHIN A THICK-WALLED CHAMBER FOR RETAINING THE HEAT, AND A PISTON RAM ASSEMBLY MOUNTED IN SAID HOUSING AND HAVING A PISTON ROD WITH A CROSS-SECTIONAL AREA OF SUBSTANTIALLY THE SAME SIZE AS SAID THIN-WALLED CARTRIDGE, SAID PISTON ROD ADAPTED TO BE DRIVEN THROUGH SAID CHAMBER TO COMPRESS SAID CARTRIDGE AND FORCE THE THREMOPLASTIC MATERIAL INTO A MOLDING FORM, AND EJECTOR MEANS MOUNTED ON SAID HOUSING TO COMPLETELY PURGE SAID CHAMBER OF SAID CARTRIDGE.
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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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |