Patent US4378313B1 successfully refreshed from Google Patents.
US4378313B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactive yellow dye having both monochlorotriazinyl and vinylsulfone type reactive groups
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1980-05-27
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Granted: 1994-05-03
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Expires: 2000-05-27
Abstract
No abstract record available.
Inventors
- 👤 Yutaka Kayane
- 👤 Masaki Sunami
- 👤 Yasuo Tezuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:27
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/4401; C09B62/4403; C09B62/4411; C09B62/4413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-05-02 | 1997-11-01 | 1998-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-02 | 2001-11-01 | 2002-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-02 | 2005-11-01 | 2006-05-03 | $7700.00 | Window Closed / Lapsed |