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US3202408A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for melting brass chip scrap

Assignee: Chase Brass and Copper Co Inc
•
Filing: 1960-09-23
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Granted: 1965-08-24
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Expires: 1980-09-23
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Abstract

No abstract record available.

Inventors

  • 👤 Olavi A Huhtala
  • 👤 Robert L Stockus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:59
CPC Classifications
C; C22; C22B; C22B7/00; C22B7/001; C22B7/003; C22B9/00; C22B9/16; E; E05; E05Y; E05Y2900/00; E05Y2900/40; E05Y2900/402; Y; Y02; Y02P; Y02P10/00; Y02P10/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 162 words
APPARATUS FOR MELTING LOOSE BRASS CHIP SCRAP WHICH COMPRISES A CRUCIBLE FURNACE FOR HOLDING A BODY OF MOLTEN BRASS AND A COVERING BLANKET OF FINELY DIVIDED FLUENT CARBONACEOUS MATERIAL, CONVEYER MEANS FOR TRANSPORTING SAID CHIP SCRAPO TO SAID FURNACE AND FOR DISTRIBUTING IT ACROSS THE SURFACE OF SAID CARBONACEOUS BLANKET, A MECHANICAL PUSHER DISPOSED ABOVE THE LEVEL OF MOLTEN METAL IN SAID FURNACE AND ADAPTED AND ARRANGED TO BE BROUGHT INTO CONTACT WITH SAID CARBONACEOUS BLANKET AND THE LOOSE CHIP SCRAP DEPOSITED THEREON FOR PROMOTING SUBMERGENCE OF THE CHIP SCRAP IN SAID BLANKET, SAID PUSHER COMPRISING A PADDLE HAVING A SUBSTANTIALLY BROAD FLAT UNDERSURFACE AND A SLOPING UPPER SURFACE, SUPPORT MEANS FOR SAID PADDLE COMPRISING A COLUMN POSITIONED LATERALLY OF SAID FURNACE AND AN ARM ON SAID COLUMN FROM WHICH SAID PADDLE IS SUSPENDED, AND RECIPROCATING MEANS LOCATED BELOW THE TOP OF THE FURNACE FOR SUPPORTING SAID COLUMN AND RECIPROCATING IT AXIALLY TO PRODUCE AGITATION OF SAID CARBONACEOUS BLANKET BY SAID PADDLE.
Claim 2
Dependent Claim 162 words
APPARATUS FOR MELTING LOOSE BRASS CHIP SCRAP WHICH COMPRISES A CRUCIBLE FURNACE FOR HOLDING A BODY OF MOLTEN BRASS AND A COVERING BLANKET OF FINELY DIVIDED FLUENT CARBONACEOUS MATERIAL, CONVEYER MEANS FOR TRANSPORTING SAID CHIP SCRAPO TO SAID FURNACE AND FOR DISTRIBUTING IT ACROSS THE SURFACE OF SAID CARBONACEOUS BLANKET, A MECHANICAL PUSHER DISPOSED ABOVE THE LEVEL OF MOLTEN METAL IN SAID FURNACE AND ADAPTED AND ARRANGED TO BE BROUGHT INTO CONTACT WITH SAID CARBONACEOUS BLANKET AND THE LOOSE CHIP SCRAP DEPOSITED THEREON FOR PROMOTING SUBMERGENCE OF THE CHIP SCRAP IN SAID BLANKET, SAID PUSHER COMPRISING A PADDLE HAVING A SUBSTANTIALLY BROAD FLAT UNDERSURFACE AND A SLOPING UPPER SURFACE, SUPPORT MEANS FOR SAID PADDLE COMPRISING A COLUMN POSITIONED LATERALLY OF SAID FURNACE AND AN ARM ON SAID COLUMN FROM WHICH SAID PADDLE IS SUSPENDED, AND RECIPROCATING MEANS LOCATED BELOW THE TOP OF THE FURNACE FOR SUPPORTING SAID COLUMN AND RECIPROCATING IT AXIALLY TO PRODUCE AGITATION OF SAID CARBONACEOUS BLANKET BY SAID PADDLE.

References Cited (Backward Citations)

USRE25034E Cited
US3123466A Cited
US1630361A Cited
US1659445A Cited
FR685872A Cited
US2232594A Cited
US2343337A Cited
US2402498A Cited
US2493391A Cited
US2446637A Cited
US2793852A Cited
US2739800A Cited
US2868396A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-23 1969-02-22 1969-08-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-23 1973-02-22 1973-08-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-23 1977-02-22 1977-08-24 $7700.00 Window Closed / Lapsed

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