Patent US248643A successfully refreshed from Google Patents.
Patent US3545995A successfully refreshed from Google Patents.
US3545995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of dispersing fine powders
Assignee: Kao Corp
•
Filing: 1967-07-31
•
Granted: 1970-12-08
•
Expires: 1987-07-31
Abstract
No abstract record available.
Inventors
- 👤 Kenichi Hattori
- 👤 Masataka Dehara
- 👤 Katuo Sugimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:42
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0084; C09B67/0085; C09B67/0086; C08; C08F; C08F22/00; C08F22/04; C08J; C08J3/00; C08J3/02; C08J3/03; C09K; C09K23/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3385834A
Cited
US3359246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |