Patent US3177214A successfully refreshed from Google Patents.
US3177214A
Expired / Lapsed
US
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Resinous triazinylamino anthra-quinone dyestuffs
Assignee: BASF Schweiz AG
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Filing: 1960-05-02
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Granted: 1965-04-06
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Georg Sulzer
- 👤 Arthur Maeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:18
CPC Classifications
C; C09; C09B; C09B62/00; C08; C08G; C08G12/00; C08G12/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2719832A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |