Patent US3701677A successfully refreshed from Google Patents.
US3701677A
Expired / Lapsed
US
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Method of after-treatment of metal platings
Assignee: NIPPON KOKAN TECHNICAL INST KK
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Filing: 1970-10-29
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Granted: 1972-10-31
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Expires: 1990-10-29
Abstract
Abstract METAL ARTICLES PLATED WITH METALS HAVING A TENDENCY OF FORMING CRACKS IN THE DEPOSITED METALS ARE SUBJECTED TO A JET STREAM OF SOLID PARTICLES SUCH AS GLASS BEADS TO ELIMINATE THE CRACKS.
Inventors
- 👤 Akira Miyata
- 👤 Hideyo Okubo
- 👤 Chikayoshi Tomita
- 👤 Akio Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:06
CPC Classifications
C; C21; C21D; C21D7/00; C21D7/02; C21D7/04; C21D7/06; C22; C22C; C22C1/00; C22C1/11; C22F; C22F1/00; C22F1/04; C23; C23F; C23F17/00; C25; C25D; C25D3/00; C25D3/66; C25D5/00; C25D5/48; Y; Y10; Y10S; Y10S29/00; Y10S29/012; Y10S29/036
Claims Analysis
Total Claims: 0
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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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |