Patent US3421922A successfully refreshed from Google Patents.
US3421922A
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US
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Process for preconditioning a nonmetallic surface for chemically depositing a metal thereon
Assignee: BRUCE W WILSON
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Filing: 1965-03-08
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Granted: 1969-01-14
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Bruce W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:37
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/28; C23C18/30; C23C18/2006; C23C18/2046; C23C18/2073; C23C18/208; C23C18/22; C23C18/26; C23C18/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |