US3361413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for blending particulate solids
Assignee: YOUNG MACHINERY CO Inc
•
Filing: 1966-11-10
•
Granted: 1968-01-02
•
Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Robert D Heyl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:38
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/80; B01F25/82; B01F25/821; B01F25/8211
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2805802A
Cited
US3158362A
Cited
US3138369A
Cited
US3216629A
Cited
US3268215A
Cited
US3258252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |