Patent US3406738A successfully refreshed from Google Patents.
US3406738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic matchplate moulding machine
Assignee: Heatherwill Co
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Filing: 1967-04-06
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Granted: 1968-10-22
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Expires: 1987-04-06
Abstract
No abstract record available.
Inventors
- 👤 Hunter William Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:06
CPC Classifications
B; B22; B22C; B22C17/00; B22C17/08; B22C17/10; B22C11/00; B22C11/02; B22C11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN A MOULDING ACHINE, A DRAG FLASK HAVING A MATCHPLATE MOUNTED THEREON, MEANS FOR FILLING SAID FLASK WITH MOULDING MATERIAL, A BOARD ADAPTED TO BE MOVED INTO POSITION OVER THE CONTENTS OF SAID DRAG FLASK AND TO BE HELD THERETO, MEANS FOR TURNING SAID DRAG FLASK TO AN UPRIGHT POSITION AND MOVING SAID FILLED DRAG FLASK TO A SECOND POSITION, WITH THE CONTENTS OF SAID DRAG FLASK RESTING ON SAID BOARD, A MOVABLE RAM MEMBER ADAPTED TO RECEIVE SAID FILLED DRAG FLASK AND TO BE ENGAGED WITH SAID BOARD AFTER SAID FILLED DRAG FLASK HAS BEEN MOVED TO SAID SECOND POSITION, A COPE FLASK ADAPTED TO SURMOUNT SAID FILLED DRAG FLASK, SAID FILLING MEANS BEING ADAPTED TO FILL SAID COPE FLASK WHEN SAID MATCHPLATE AND SAID DRAG FLASK MOVE AGAINST SAID COPE FLASK, AND MEANS MOVABLE TO A POSITION WITH RESPECT TO SAID COPE FLASK SO THAT UPON CONTINUED MOVEMENT OF SAID MOVABLE RAM THE MOULDING MATERIAL WITHIN SAID DRAG AND COPE FLASKS WILL BE COMPACTED.
Claim 2
Dependent Claim
166 words
IN A MOULDING ACHINE, A DRAG FLASK HAVING A MATCHPLATE MOUNTED THEREON, MEANS FOR FILLING SAID FLASK WITH MOULDING MATERIAL, A BOARD ADAPTED TO BE MOVED INTO POSITION OVER THE CONTENTS OF SAID DRAG FLASK AND TO BE HELD THERETO, MEANS FOR TURNING SAID DRAG FLASK TO AN UPRIGHT POSITION AND MOVING SAID FILLED DRAG FLASK TO A SECOND POSITION, WITH THE CONTENTS OF SAID DRAG FLASK RESTING ON SAID BOARD, A MOVABLE RAM MEMBER ADAPTED TO RECEIVE SAID FILLED DRAG FLASK AND TO BE ENGAGED WITH SAID BOARD AFTER SAID FILLED DRAG FLASK HAS BEEN MOVED TO SAID SECOND POSITION, A COPE FLASK ADAPTED TO SURMOUNT SAID FILLED DRAG FLASK, SAID FILLING MEANS BEING ADAPTED TO FILL SAID COPE FLASK WHEN SAID MATCHPLATE AND SAID DRAG FLASK MOVE AGAINST SAID COPE FLASK, AND MEANS MOVABLE TO A POSITION WITH RESPECT TO SAID COPE FLASK SO THAT UPON CONTINUED MOVEMENT OF SAID MOVABLE RAM THE MOULDING MATERIAL WITHIN SAID DRAG AND COPE FLASKS WILL BE COMPACTED.
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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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |