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US2722589A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for uniformly heating intermittently moving metallic material

Assignee: Ohio Crankshaft Co
•
Filing: 1950-11-30
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Granted: 1955-11-01
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Expires: 1970-11-30
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Abstract

No abstract record available.

Inventors

  • 👤 Otto M Marquardt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 06:27
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/101; H05B6/103; H05B6/104

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 59 words
THE METHOD OF UNIFORMLY HEATING INTERMITTENTLY MOVING METALLIC STRIP WITH A HEATER UNIT WHICH INHERENTLY HAS A NONUNIFORM HEATING PATTERN WHICH COMPRISES ADVANCING SAID STRIP INTEMITTENTLY THROUGH SAID HEATING UNIT AND SIMULTANEOUSLY AND CONTINUOUSLY OSCILLATING SAID HEATING UNIT RELATIVE TO SAID STRIP IN THE PLANE OF MOVEMENT THEREOF AND OUT OF PHASE WITH THE INTERMITTENT ADVANCING OF SAID STRIP.
Claim 2
Independent Claim 59 words
THE METHOD OF UNIFORMLY HEATING INTERMITTENTLY MOVING METALLIC STRIP WITH A HEATER UNIT WHICH INHERENTLY HAS A NONUNIFORM HEATING PATTERN WHICH COMPRISES ADVANCING SAID STRIP INTEMITTENTLY THROUGH SAID HEATING UNIT AND SIMULTANEOUSLY AND CONTINUOUSLY OSCILLATING SAID HEATING UNIT RELATIVE TO SAID STRIP IN THE PLANE OF MOVEMENT THEREOF AND OUT OF PHASE WITH THE INTERMITTENT ADVANCING OF SAID STRIP.

References Cited (Backward Citations)

US1912214A Cited
US2202758A Cited
US2274072A Cited
US2414362A Cited
US2326163A Cited
US2401899A Cited
US2441940A Cited
US2448011A Cited
US2495055A Cited
US2504815A Cited
US2480297A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-10-31 1959-05-02 1959-11-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-10-31 1963-05-02 1963-11-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-10-31 1967-05-02 1967-11-01 $7700.00 Window Closed / Lapsed

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