Patent US3302255A successfully refreshed from Google Patents.
US3302255A
Expired / Lapsed
US
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Foundry mold pattern arrangement
Assignee: Wagner Castings Co
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Filing: 1963-12-18
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Granted: 1967-02-07
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Jr John A Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:05
CPC Classifications
B; B22; B22C; B22C7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
200 words
IN A PATTERN STOOL OF THE CHARACTER DESCRIBED FOR USE IN RETAINING A PATTERN DURING THE FORMATION OF COPE AND DRAG PORTIONS OF A FOUNDRY SAND MOLD IN A MOLD FLASK POSITIONED ON SAID STOOL AND SURROUNDING SAID PATTERN AND FOR MAINTAINING PRECISE REGISTRATION AND POSITIONING OF A PATTERN INSERT WITH SAID PATTERN THEREON WITH RESPECT TO SAID FLASK FOR PRECISE MATCHING OF SAID COPE AND DRAG MOLD PORTIONS TO FORM A COMPLETE FOUNDRY MOLD, THE COMBINATION WHICH COMPRISES A SUBSTANTIALLY FLAT SURFACE ON SAID STOOL FOR RECEIVING AND SUPPORTING A FLASK FOR ONE OF SAID MOLD PORTIONS, MEANS FOR PRECISELY AND REPEATEDLY POSITIONING SAID FLASK ON SAID STOOL IN A PREDETERMINED ORIENTATION THEREON MATCHING AND REGISTERING WITH THE ORIENTATION OF A FLASK PLACED THEREON FOR THE OTHER SAID MOLD PORTION, A RECESS IN SAID STOOL FOR RECEIVING A PATTERN INSERT THEREIN AND DISPOSED ON SAID STOOL WITHIN THE AREA OF SAID FLAT SURFACE THEREOF ENCLOSED BY SAID FLASK, AND LOCATING MEANS INCLUDING LOCATING DOWELS AND COOPERATING LOCATING SURFACES IN SAID RECESS, AND ON SAID PATTERN INSERT DISPOSED THEREIN FOR PRECISE REGISTRATION AND POSITIONING OF SAID INSERT WITH RESPECT TO SAID STOOL AND SAID MEANS THEREON FOR POSITIONING SAID FLASK.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |