Patent US3411480A successfully refreshed from Google Patents.
US3411480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for coating fine solids
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1964-01-31
•
Granted: 1968-11-19
•
Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Jr George M Grass
- 👤 Manford J Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:06
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2123537A
Cited
US2270341A
Cited
US2561392A
Cited
US2561393A
Cited
US2561394A
Cited
US2582710A
Cited
US2799241A
Cited
US2768095A
Cited
US2986475A
Cited
US3110626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |