US3477975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment dispersion comprising an iron-containing pigment or a nickel-containing pigment dispersed in a liquid
Assignee: EIDP Inc
•
Filing: 1966-08-29
•
Granted: 1969-11-11
•
Expires: 1986-08-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Concannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:06
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/22; C09C1/26; C09C3/00; C09C3/006; C09C3/08; C09C3/10; C01; C01P; C01P2006/00; C01P2006/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2394432A
Cited
US2558303A
Cited
US2719133A
Cited
US3037875A
Cited
US3196118A
Cited
US3340218A
Cited
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 |