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US3462373A
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Alkaline tin oxide sols and process for their preparation
Assignee: M&T Chemicals Inc
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Filing: 1967-05-04
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Granted: 1969-08-19
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Expires: 1987-05-04
Abstract
No abstract record available.
Inventors
- 👤 Jan C Jongkind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:36
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/30; C01; C01G; C01G19/00; C01G19/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2657183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |