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US2470775A Expired / Lapsed US ⏱️ 0.0 years remaining

Electroplating nickel and cobalt with periodic reverse current

Assignee: Westinghouse Electric Corp
•
Filing: 1947-07-09
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Granted: 1949-05-24
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Expires: 1967-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 George W Jernstedt
  • 👤 Ceresa Myron

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:50
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/18; C25D5/60; C25D5/605; C25D5/611; C25D5/623; C25D5/627

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1260661A Cited
US1574055A Cited
US1534709A Cited
CH161317A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-05-23 1952-11-22 1953-05-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-05-23 1956-11-22 1957-05-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-05-23 1960-11-22 1961-05-24 $7700.00 Window Closed / Lapsed

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