Patent US3469967A successfully refreshed from Google Patents.
US3469967A
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US
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Process for the production of nickel refractory oxide powders and product thereof
Assignee: Viridian Inc Canada
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Filing: 1966-02-10
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Granted: 1969-09-30
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Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Basil Meddings
- 👤 Bauke Weizenbach
- 👤 David John Ivor Evans
- 👤 Vladimir Nicolaus Mackiw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:10
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B82; B82Y; B82Y30/00; C; C22; C22C; C22C1/00; C22C1/10; C22C1/1026; C22C32/00; C22C32/001; C22C32/0015; C22C32/0026; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/64; C01P2006/00; C01P2006/10; C01P2006/80; Y; Y10; Y10S; Y10S75/00; Y10S75/956
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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |