Patent US3172645A successfully refreshed from Google Patents.
US3172645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator for foods of a liquid form containing solids
Assignee: Individual
•
Filing: 1961-07-21
•
Granted: 1965-03-09
•
Expires: 1981-07-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick J Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:40
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/046; A47J43/0465; B; B01; B01F; B01F33/00; B01F33/45; B01F33/453; B01F33/4535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN AGITATOR FOR A BOWL OF FOOD OF LIQUID AND SOLID FORM COMPRISING A HUB TO WHICH ENERGY IS APPLIED FOR ROTATING THE SAME ABOUT ITS AXIS, A BLADE EXTENDING RADIALLY FROM THE HUB AXIS IN A PLANE AT RIGHT ANGLES TO THE AXIS OF ROTATION OF THE HUB, THE LEADING FACE OF THE BLADE BEING INCLINED WITH RESPECT TO THE VERTICAL SO THAT ITS TRAILING EDGE IS HIGHER THAN ITS LEADING EDGE WHEREBY THE MATERIAL THROUGH WHICH THE BLADE PASSES IS URGED AXIALLY OF THE HUB, SAID BLADE HAVING A PROGRESSIVELY REDUCED WIDTH AS ITS RADIUS FROM THE HUB INCREASES, SAID REDUCED WIDTH BEING GENERALLY PROPORTIONAL TO THE CIRCUMFERENTIAL MOVEMENT OF THE BLADE ABOUT ITS AXIS SO THAT THE LIFT EFFECT OF THE BLADE IS GENERALLY THE SAME THROUGHOUT ITS RADIAL EXTENT.
Claim 2
Dependent Claim
133 words
AN AGITATOR FOR A BOWL OF FOOD OF LIQUID AND SOLID FORM COMPRISING A HUB TO WHICH ENERGY IS APPLIED FOR ROTATING THE SAME ABOUT ITS AXIS, A BLADE EXTENDING RADIALLY FROM THE HUB AXIS IN A PLANE AT RIGHT ANGLES TO THE AXIS OF ROTATION OF THE HUB, THE LEADING FACE OF THE BLADE BEING INCLINED WITH RESPECT TO THE VERTICAL SO THAT ITS TRAILING EDGE IS HIGHER THAN ITS LEADING EDGE WHEREBY THE MATERIAL THROUGH WHICH THE BLADE PASSES IS URGED AXIALLY OF THE HUB, SAID BLADE HAVING A PROGRESSIVELY REDUCED WIDTH AS ITS RADIUS FROM THE HUB INCREASES, SAID REDUCED WIDTH BEING GENERALLY PROPORTIONAL TO THE CIRCUMFERENTIAL MOVEMENT OF THE BLADE ABOUT ITS AXIS SO THAT THE LIFT EFFECT OF THE BLADE IS GENERALLY THE SAME THROUGHOUT ITS RADIAL EXTENT.
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |