US3216473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comminution apparatus
Assignee: Individual
•
Filing: 1963-08-01
•
Granted: 1965-11-09
•
Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Henry A Dewenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:12
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A BLENDER COMPRISING: A RECEPTACLE HAVING A VERTICALLY EXTENDING WALL AND A BASE; A SHAFT EXTENDING VERTICALLY THROUGH SAID BASE; A BLADED MEMBER FIXED RELATIVE TO THE UPPER END OF SAID SHAFT, SAID BLADED MEMBER HAVING A RADIALLY EXTENDING SHARP EDGE, SAID BASE HAVING A SUBSTANTIALLY FLAT UPPER SURFACE AND A RADIALLY AND UPWARDLY
Claim 2
Dependent Claim
54 words
A BLENDER COMPRISING: A RECEPTACLE HAVING A VERTICALLY EXTENDING WALL AND A BASE; A SHAFT EXTENDING VERTICALLY THROUGH SAID BASE; A BLADED MEMBER FIXED RELATIVE TO THE UPPER END OF SAID SHAFT, SAID BLADED MEMBER HAVING A RADIALLY EXTENDING SHARP EDGE, SAID BASE HAVING A SUBSTANTIALLY FLAT UPPER SURFACE AND A RADIALLY AND UPWARDLY
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |