US3058622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for continuously measuring, mixing and de-aerating materials fed to process plant
Assignee: Individual
•
Filing: 1958-11-24
•
Granted: 1962-10-16
•
Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Ballestra Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:44
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/22; B; B01; B01F; B01F23/00; B01F23/50; B01F23/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2568821A
Cited
US2105266A
Cited
US2823005A
Cited
US2786820A
Cited
US2727733A
Cited
US2873955A
Cited
US2863651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |