US3478064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1,5-bis-(substituted alkylamino)-anthraquinones
Assignee: Xerox Corp
•
Filing: 1965-06-28
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Granted: 1969-11-11
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Warren E Solodar
- 👤 Basil M Kyriakakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:11
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/26; C09B1/262
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
1,5 - BIS - (3'' - METHOXYPROPYLAMINO) - ANTHRAQUINONE. 2. 1,5 - BIS - (2'' - (P - NITROPHENYL) - ETHYLAMINO)ANTHRAQUINONE.
Claim 2
Dependent Claim
21 words
1,5 - BIS - (3'' - METHOXYPROPYLAMINO) - ANTHRAQUINONE. 2. 1,5 - BIS - (2'' - (P - NITROPHENYL) - ETHYLAMINO)ANTHRAQUINONE.
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |