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US3234014A Expired / Lapsed US ⏱️ 0.0 years remaining

Copper base alloys

Assignee: Olin Corp
•
Filing: 1963-10-23
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Granted: 1966-02-08
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Expires: 1983-10-23
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Abstract

No abstract record available.

Inventors

  • 👤 Charles D Mclain
  • 👤 Carl J Hechinger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 15:47
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 41 words
AN ALLOY CONSISTING ESSENTIALLY OF FROM 29 TO 40% BY WEIGHT OF ZINC, FROM 3 TO 6% BY WEIGHT OF NICKEL, FROM 1.5 TO 2.5% BY WEIGHT OF IRON, FROM 7.5 TO 8.5% BY WEIGHT OF MANGANESE AND THE REMAINDER COPPER.
Claim 2
Dependent Claim 41 words
AN ALLOY CONSISTING ESSENTIALLY OF FROM 29 TO 40% BY WEIGHT OF ZINC, FROM 3 TO 6% BY WEIGHT OF NICKEL, FROM 1.5 TO 2.5% BY WEIGHT OF IRON, FROM 7.5 TO 8.5% BY WEIGHT OF MANGANESE AND THE REMAINDER COPPER.

References Cited (Backward Citations)

FR555997A Cited
US2236975A Cited
US2445868A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-07 1969-08-09 1970-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-07 1973-08-09 1974-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-07 1977-08-09 1978-02-08 $7700.00 Window Closed / Lapsed

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