US3217364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for injecting granular material into a mold
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1964-10-26
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Granted: 1965-11-16
•
Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Genest Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:38
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/54; B01; B01J; B01J8/00; B01J8/0015; B01J8/0035; B01J8/18; B29; B29C; B29C31/00; B29C31/02; B29C31/04; B29C31/06; B29C31/065; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C45/00; B29C45/17; B29C45/46; B30; B30B; B30B15/00; B30B15/30; B30B15/302; B29C2045/468; B29K; B29K2105/00; B29K2105/25; B29K2105/251; Y; Y10; Y10S; Y10S264/00; Y10S264/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN AN INJECTOR FOR INJECTING INTO A MOLD, A GRANULAR MATERIAL TO BE MOLDED THEREIN, A VERTICALLY DISPOSED TUBULAR BODY TERMINATING AT ITS LOWER END IN A DOWNWARDLY AND INWARDLY CONSTRICTED FUNNEL, A PIPE OF LESSER CROSS-SECTION AREA THAN SAID BODY AND EXTENDING DOWNWARDLY FROM AND FORMING A CONTINUOUS OF THE LOWER END OF SAID FUNNEL, SAID PIPE TERMINATING AT ITS LOWER END IN A DOWNWARDLY AND INWARDLY CONSTRICTED NOZZLE, SAID PIPE AND NOZZLE BEING CONSTRUCTED AND ARRANGED TO FORM A SLUG OF GRANULAR MATERIAL THEREIN, A SUPPLY CONTAINER IN COMMUNICATION WITH THE UPPER END OF SAID BODY, A FIRST VALVE BETWEEN SAID CONTAINER AND BODY, AND MOVABLE FROM A FIRST OPEN POSITION TO A SECOND POSITION CUTTING OFF COMMUNICATION BETWEEN SAID CONTAINER AND BODY, MEANS YIELDING URGING SAID FIRST VALVE TO SAID FIRST POSITION, EN-
Claim 2
Dependent Claim
136 words
IN AN INJECTOR FOR INJECTING INTO A MOLD, A GRANULAR MATERIAL TO BE MOLDED THEREIN, A VERTICALLY DISPOSED TUBULAR BODY TERMINATING AT ITS LOWER END IN A DOWNWARDLY AND INWARDLY CONSTRICTED FUNNEL, A PIPE OF LESSER CROSS-SECTION AREA THAN SAID BODY AND EXTENDING DOWNWARDLY FROM AND FORMING A CONTINUOUS OF THE LOWER END OF SAID FUNNEL, SAID PIPE TERMINATING AT ITS LOWER END IN A DOWNWARDLY AND INWARDLY CONSTRICTED NOZZLE, SAID PIPE AND NOZZLE BEING CONSTRUCTED AND ARRANGED TO FORM A SLUG OF GRANULAR MATERIAL THEREIN, A SUPPLY CONTAINER IN COMMUNICATION WITH THE UPPER END OF SAID BODY, A FIRST VALVE BETWEEN SAID CONTAINER AND BODY, AND MOVABLE FROM A FIRST OPEN POSITION TO A SECOND POSITION CUTTING OFF COMMUNICATION BETWEEN SAID CONTAINER AND BODY, MEANS YIELDING URGING SAID FIRST VALVE TO SAID FIRST POSITION, EN-
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |