US2972168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing and thickening machine for extrusion
Assignee: Individual
•
Filing: 1957-11-06
•
Granted: 1961-02-21
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Expires: 1977-11-06
Abstract
No abstract record available.
Inventors
- 👤 Pastorello Ignazio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:17
CPC Classifications
B; B28; B28C; B28C1/00; B28C1/10; B28C1/14; B28C1/22; B01; B01F; B01F35/00; B01F35/75; B28C5/00; B28C5/08; B28C5/10; B28C5/12; B28C5/1238; B28C5/1276; B29; B29C; B29C48/00; B29C48/03; B29C48/04; B29C48/25; B29C48/285; B29C48/288; B29C48/2883; B29C48/36; B29C48/395; B29C48/50; B29C48/505; B29C48/51; B29C48/515; B29C48/78; B29C48/80; B29C48/83; B29C48/832; B29C48/834; B29C48/84; B29C48/845; B29C48/85
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) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |