Patent US3422111A successfully refreshed from Google Patents.
US3422111A
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US
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Naphthoxidine dyestuffs and process for making same
Assignee: Novartis AG
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Filing: 1964-08-06
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Granted: 1969-01-14
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Expires: 1984-08-06
Abstract
No abstract record available.
Inventors
- 👤 Hans Bosshard
- 👤 Werner Bossard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:11
CPC Classifications
E; E21; E21D; E21D23/00; E21D23/006; E21D23/0065; C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; C07D215/00; C07D215/02; C07D215/04; C07D215/10; C09; C09B; C09B44/00; C09B44/02; C09B57/00; C09B57/001; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
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 |