US2853280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitation device
Assignee: International Pulp Products Inc
•
Filing: 1954-12-07
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Granted: 1958-09-23
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Expires: 1974-12-07
Abstract
No abstract record available.
Inventors
- 👤 Dante S Cusi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:56
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/808; B01F27/93; B01F27/86; B01F27/861; B01F35/00; B01F35/30; B01F35/32; B01F35/321; B01F35/3213; B01F35/50; B01F35/53; B01F35/531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |