US3122800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic metal pouring machine
Assignee: Motors Liquidation Co
•
Filing: 1961-05-01
•
Granted: 1964-03-03
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Dewein H Naffziger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:13
CPC Classifications
B; B22; B22D; B22D35/00; B22D35/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN AUTOMATIC CASTING MACHINE COMPRISING, IN COMBINATION, MEANS DEFINING A POURING STATION, A LADLE AT THE POURING STATION, MEANS FOR PRESENTING MOLDS SUCCESSIVELY AT THE POURING STATION, MEANS RESPONSIVE TO THE PRESENCE OF A MOLD AT THE POURING STATION OPERATIVE TO TILT THE LADLE TO POUR METAL INTO THE MOLD FIRST MEANS RESPONSIVE TO HEAT RADIATION FROM THE STREAM OF METAL FLOWING FROM THE LADLE EFFECTIVE TO STOP THE TILTING OF THE LADLE, AND SECOND MEANS RESPONSIVE TO HEAT RADIATION FROM METAL IN THE TOP OF THE MOLD DUE TO FILLING OF THE MOLD OPERATIVE TO UNTILT THE LADLE TO STOP POURING METAL.
Claim 2
Dependent Claim
103 words
AN AUTOMATIC CASTING MACHINE COMPRISING, IN COMBINATION, MEANS DEFINING A POURING STATION, A LADLE AT THE POURING STATION, MEANS FOR PRESENTING MOLDS SUCCESSIVELY AT THE POURING STATION, MEANS RESPONSIVE TO THE PRESENCE OF A MOLD AT THE POURING STATION OPERATIVE TO TILT THE LADLE TO POUR METAL INTO THE MOLD FIRST MEANS RESPONSIVE TO HEAT RADIATION FROM THE STREAM OF METAL FLOWING FROM THE LADLE EFFECTIVE TO STOP THE TILTING OF THE LADLE, AND SECOND MEANS RESPONSIVE TO HEAT RADIATION FROM METAL IN THE TOP OF THE MOLD DUE TO FILLING OF THE MOLD OPERATIVE TO UNTILT THE LADLE TO STOP POURING METAL.
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |