US3085870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granular materials
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1960-04-08
•
Granted: 1963-04-16
•
Expires: 1980-04-08
Abstract
No abstract record available.
Inventors
- 👤 Bradford Bernard William
- 👤 Heslop John Richard William
- 👤 Lord Leslie Waddington
- 👤 Martin S Bloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:03
CPC Classifications
C; C05; C05C; C05C9/00; C05C9/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2334578A
Cited
US2529466A
Cited
US2739036A
Cited
US2798801A
Cited
US2911669A
Cited
US2926079A
Cited
US2938233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |