US3318580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus
Assignee: Sonic Engineering Corp
•
Filing: 1964-05-08
•
Granted: 1967-05-09
•
Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Simonetti Sergio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:46
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B01; B01F; B01F27/00; B01F27/27; B01F27/271; B01F27/2712; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/47; B01F25/00; B01F2025/91; B01F2025/912; B29C48/03; B29C48/07; B29C48/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A CYLINDRICAL MIXING WHEEL ADAPTED FOR ROTATION ABOUT ITS AXIS PROVIDED WITH AXIAL END SURFACES, EACH OF SAID SURFACES BEING PROVIDED WITH SPACED, TRANSVERSE RIDGES ALL OF WHICH ARE SUBSTANTIALLY STRAIGHT LINE AND PARALLEL.
Claim 2
Dependent Claim
34 words
A CYLINDRICAL MIXING WHEEL ADAPTED FOR ROTATION ABOUT ITS AXIS PROVIDED WITH AXIAL END SURFACES, EACH OF SAID SURFACES BEING PROVIDED WITH SPACED, TRANSVERSE RIDGES ALL OF WHICH ARE SUBSTANTIALLY STRAIGHT LINE AND PARALLEL.
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |