US2679374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Batch mixing method and apparatus
Assignee: Allen Sherman Hoff Co
•
Filing: 1953-09-22
•
Granted: 1954-05-25
•
Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Lauritz E Mylting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:03
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/80; B01F35/88; B01F35/881
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US808599A
Cited
US1334395A
Cited
US1501578A
Cited
US1536589A
Cited
US1704268A
Cited
US1978558A
Cited
US1969533A
Cited
US2109534A
Cited
US2398643A
Cited
US2594975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |