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US3366477A Expired / Lapsed US ⏱️ 0.0 years remaining

Copper base alloys

Assignee: Olin Corp
•
Filing: 1967-04-17
•
Granted: 1968-01-30
•
Expires: 1987-04-17
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Abstract

No abstract record available.

Inventors

  • 👤 Jr George H Eichelman
  • 👤 Broverman Irwin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:11
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/01

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB718987A Cited
US2829968A Cited
US2829972A Cited
US3039867A Cited
US3062642A Cited
US3297497A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-29 1971-07-31 1972-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-29 1975-07-31 1976-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-29 1979-07-31 1980-01-30 $7700.00 Window Closed / Lapsed

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