US2806298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and device for the treatment of substances in small pieces, by means of a fluid
Assignee: Individual
•
Filing: 1952-07-15
•
Granted: 1957-09-17
•
Expires: 1972-07-15
Abstract
No abstract record available.
Inventors
- 👤 Rossi Giovanni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:43
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/10; B01D; B01D11/00; B01D11/02; C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/46; C07D307/48; C07D307/50; C08; C08B; C08B17/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |