Patent US3436025A successfully refreshed from Google Patents.
US3436025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fine granulator
Assignee: Slick Industrial Co
•
Filing: 1966-02-15
•
Granted: 1969-04-01
•
Expires: 1986-02-15
Abstract
No abstract record available.
Inventors
- 👤 William M Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:57
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/14; B02C18/148
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2219720A
Cited
DE655892C
Cited
US2726045A
Cited
US2941731A
Cited
US2974883A
Cited
US2939638A
Cited
US3123312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |