US2840355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing vessel
Assignee: Individual
•
Filing: 1956-03-26
•
Granted: 1958-06-24
•
Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Stratford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:14
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/81; B01F27/811; B01F27/86; B01F27/861; B01F27/91; B01F35/00; B01F35/90; B01F35/92; B01F2035/99; B01F27/05; B01F27/11; B01F27/15
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1891122A
Cited
US2102548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |