Patent US3639150A successfully refreshed from Google Patents.
US3639150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric explosion metal spraying for substrate
Assignee: Individual
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Filing: 1968-07-25
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Granted: 1972-02-01
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Expires: 1988-07-25
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
2026-11-09 18:36
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 |