US3458804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of pigment composition
Assignee: Bayer AG
•
Filing: 1966-04-11
•
Granted: 1969-07-29
•
Expires: 1986-04-11
Abstract
No abstract record available.
Inventors
- 👤 Karlheinz Wolf
- 👤 Arthur Haus
- 👤 Theodor Mager
- 👤 Reinhold Hornle
- 👤 Franz Bechlars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:53
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/006; C09B67/0071; C09B67/0092
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2613158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |