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US3639150A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric explosion metal spraying for substrate

Assignee: Individual
•
Filing: 1968-07-25
•
Granted: 1972-02-01
•
Expires: 1988-07-25
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Abstract

Abstract This invention relates to an improved process for coating a metal substrate with metallic particles by exploding a consumable metal wire in atmosphere or an inert gas of normal pressure by a heavy current.

Inventors

  • 👤 Toshiro Suhara
  • 👤 Shigehisa Fukuda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 03:23
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/0006; C; C23; C23C; C23C4/00; C23C4/12; C23C4/126

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 32 words
The method of spray coating as claimed in claim 1 including the further step of reflecting said exploded material from inclined reflectors situated on both sides of said wire and said substrate.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-31 1975-08-02 1976-02-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-31 1979-08-02 1980-02-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-31 1983-08-02 1984-02-01 $7700.00 Window Closed / Lapsed

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