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US3304585A Expired / Lapsed US ⏱️ 0.0 years remaining

Graphite continuous casting mold

Assignee: Ascast Corp
•
Filing: 1964-06-18
•
Granted: 1967-02-21
•
Expires: 1984-06-18
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Abstract

No abstract record available.

Inventors

  • 👤 Thaddeus J Marchlik

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 22:43
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 43 words
APPARATUS FOR CASTING METALS COMPRISING A GRAPHITE MOLD HAVING A BORE THERETHROUGH ADAPATED TO RECEIVE A STREAM OF MOLTEN METAL, SAID BORE HAIVNG AN UPSTREAM PORTION AND DOWNSTREAM PORTION, SAID GRAPHITE MOLD COMPRISING A MATERIAL HAVING A FLUID PERMEABILITY OF 1 TO 100
Claim 2
Dependent Claim 43 words
APPARATUS FOR CASTING METALS COMPRISING A GRAPHITE MOLD HAVING A BORE THERETHROUGH ADAPATED TO RECEIVE A STREAM OF MOLTEN METAL, SAID BORE HAIVNG AN UPSTREAM PORTION AND DOWNSTREAM PORTION, SAID GRAPHITE MOLD COMPRISING A MATERIAL HAVING A FLUID PERMEABILITY OF 1 TO 100

References Cited (Backward Citations)

US2543936A Cited
US2618032A Cited
US3076241A Cited
GB925940A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

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