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US3343236A Expired / Lapsed US ⏱️ 0.0 years remaining

Ram core molding machine

Assignee: Individual
•
Filing: 1965-01-27
•
Granted: 1967-09-26
•
Expires: 1985-01-27
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Abstract

No abstract record available.

Inventors

  • 👤 Paul R Helms

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 02:32
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/02; B28B21/10; B28B21/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 85 words
A CASTING MACHINE INCLUDING A PIT, A MOLD CORE VERTICALLY MOVABLE TO AND FROM SAID PIT, A MOLD SHELL MOVABLE TO AND FROM REGISTRATION WITH SAID MOLD CORE ABOVE AND PIT, A SUPPORT EXTENDING TRANSVERSELY ABOVE SAID PIT AND ABOVE THE TOP OF SAID SHELL LOCATED OVER SAID PIT AND A BODILY MOVABLE ROTATABLE CASTING MATERIAL SPREADER MOUNTED ON SAID SUPPORT AND MEANS FOR LOWERING SAID SPREADER TO ENGAGE THE TOP OF SAID MOLD CORE WHEN SAID MOLD CORE IS MOVED VERTICALLY FROM SAID PIT.
Claim 2
Dependent Claim 85 words
A CASTING MACHINE INCLUDING A PIT, A MOLD CORE VERTICALLY MOVABLE TO AND FROM SAID PIT, A MOLD SHELL MOVABLE TO AND FROM REGISTRATION WITH SAID MOLD CORE ABOVE AND PIT, A SUPPORT EXTENDING TRANSVERSELY ABOVE SAID PIT AND ABOVE THE TOP OF SAID SHELL LOCATED OVER SAID PIT AND A BODILY MOVABLE ROTATABLE CASTING MATERIAL SPREADER MOUNTED ON SAID SUPPORT AND MEANS FOR LOWERING SAID SPREADER TO ENGAGE THE TOP OF SAID MOLD CORE WHEN SAID MOLD CORE IS MOVED VERTICALLY FROM SAID PIT.

References Cited (Backward Citations)

US1875738A Cited
US2870513A Cited
DE1157988B Cited
US3141222A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-09-25 1971-03-27 1971-09-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-09-25 1975-03-27 1975-09-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-09-25 1979-03-27 1979-09-26 $7700.00 Window Closed / Lapsed

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