Patent US3200449A successfully refreshed from Google Patents.
US3200449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contour squeeze molding machine
Assignee: Osborn Manufacturing Corp
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Filing: 1961-12-22
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Granted: 1965-08-17
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Edmond K Hatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:58
CPC Classifications
B; B22; B22C; B22C15/00; B22C15/02; B22C15/08; B22C15/10; B22C15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A FOUNDRY MOLDING MACHINE COMPRISING A BASE, UPSTANDING COLUMNS, A HEAD SUPPORTED ON SAID COLUMNS, SAID HEAD INCLUDING A MOLDING SAND RESERVOIR AND A FACING SAND RESERVOIR, TRANSFER MEANS MOUNTED TO SHUTTLE BETWEEN SAID MOLDING AND FACING SAND RESERVOIRS TO FORM A SAND CHARGE FOR SAID MOLDING MACHINE COMPRISED OF A LAYER OF MOLDING SAND AND ALAYER OF FACING SAND, CLAMP MEANS TO ASSEMBLE A FLASK AND PATTEREN PLATE TO FORM A MOLD BOX BENEATH SAID ASSEMBLED SAID CHARGE, MEANS RESPONSIVE TO THE ASSEMBLAGE OF SUCH MOLD BOX TO DUMP SUCH SAND CHARGE FROM SAID TRANSFER MEANS INTO SUCH MOLD BOX, MEANS LATERALLY TO SHIFT A SQUEEZE HEAD INTO OPERATIVE POSITION BETWEEN SAID TRANSFER MEANS AND MOLD BOX, SAID SQUEEZE HEAD BEING MARGINALLY DIMENSIONED TO FIT WITHIN THE TOP OF SUCH MOLD BOX WHEREUPON FURTHER
Claim 2
Dependent Claim
135 words
A FOUNDRY MOLDING MACHINE COMPRISING A BASE, UPSTANDING COLUMNS, A HEAD SUPPORTED ON SAID COLUMNS, SAID HEAD INCLUDING A MOLDING SAND RESERVOIR AND A FACING SAND RESERVOIR, TRANSFER MEANS MOUNTED TO SHUTTLE BETWEEN SAID MOLDING AND FACING SAND RESERVOIRS TO FORM A SAND CHARGE FOR SAID MOLDING MACHINE COMPRISED OF A LAYER OF MOLDING SAND AND ALAYER OF FACING SAND, CLAMP MEANS TO ASSEMBLE A FLASK AND PATTEREN PLATE TO FORM A MOLD BOX BENEATH SAID ASSEMBLED SAID CHARGE, MEANS RESPONSIVE TO THE ASSEMBLAGE OF SUCH MOLD BOX TO DUMP SUCH SAND CHARGE FROM SAID TRANSFER MEANS INTO SUCH MOLD BOX, MEANS LATERALLY TO SHIFT A SQUEEZE HEAD INTO OPERATIVE POSITION BETWEEN SAID TRANSFER MEANS AND MOLD BOX, SAID SQUEEZE HEAD BEING MARGINALLY DIMENSIONED TO FIT WITHIN THE TOP OF SUCH MOLD BOX WHEREUPON FURTHER
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |