US3280351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: Sunbeam Corp
•
Filing: 1962-12-31
•
Granted: 1966-10-18
•
Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Gilbert R Wolter
- 👤 Worthy L Chambers
- 👤 Frederick J Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:51
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/14; H02K7/145; A; A47; A47J; A47J43/00; A47J43/04; A47J43/044; A47J43/07; A47J43/08; A47J43/082; A47J2043/04409; A47J2043/04418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A MIXING DEVICE COMPRISING A HOLLOW CASING, SAID CASING HAVING FORWARD AND REAR ENDS AND BOTTOM AND UPPER SIDES, A HOLLOW POST CONNECTED TO SAID UPPER SIDE ADJACENT SAID FORWARD END, A HANDLE CONNECTED TO SAID POST AND EXTENDING REARWARDLY OF SAID CASING IN SPACED RELATIONSHIP WITH RESPECT TO SAID UPPER SIDE, AT LEAST ONE ROTARY SPINDLE MOUNTED IN SAID BOTTOM SIDE ADJACENT SAID FORWARD END, THE AXIS OF ROTATION OF SAID SPINDLE BEING GENERALLY PERPENDICULAR TO THE LENGTH OF SAID CASING, A MOTOR FOR DRIVING SAID SPINDLE, SAID MOTOR BEING DISPOSED IN SAID HOLLOW POST, SAID MOTOR BEING ALIGNED LENGTHWISE OF SAID HOLLOW POST, SAID MOTOR COMPRISING A D.C. MOTOR HAVING A PERMANENT MAGNETIC FIELD, AT LEAST ONE BATTERY IN SAID CASING ADJACENT THE REAR END THEREOF FOR DRIVING SAID MOTOR, AND SPEED CONTROL MEANS FOR SAID MOTOR, SAID SPEED CONTROL MEANS COMPRISING A MOVABLE SHUNT FOR THE FLUX OF SAID PERMANENT MAGNET FIELD.
Claim 2
Dependent Claim
155 words
A MIXING DEVICE COMPRISING A HOLLOW CASING, SAID CASING HAVING FORWARD AND REAR ENDS AND BOTTOM AND UPPER SIDES, A HOLLOW POST CONNECTED TO SAID UPPER SIDE ADJACENT SAID FORWARD END, A HANDLE CONNECTED TO SAID POST AND EXTENDING REARWARDLY OF SAID CASING IN SPACED RELATIONSHIP WITH RESPECT TO SAID UPPER SIDE, AT LEAST ONE ROTARY SPINDLE MOUNTED IN SAID BOTTOM SIDE ADJACENT SAID FORWARD END, THE AXIS OF ROTATION OF SAID SPINDLE BEING GENERALLY PERPENDICULAR TO THE LENGTH OF SAID CASING, A MOTOR FOR DRIVING SAID SPINDLE, SAID MOTOR BEING DISPOSED IN SAID HOLLOW POST, SAID MOTOR BEING ALIGNED LENGTHWISE OF SAID HOLLOW POST, SAID MOTOR COMPRISING A D.C. MOTOR HAVING A PERMANENT MAGNETIC FIELD, AT LEAST ONE BATTERY IN SAID CASING ADJACENT THE REAR END THEREOF FOR DRIVING SAID MOTOR, AND SPEED CONTROL MEANS FOR SAID MOTOR, SAID SPEED CONTROL MEANS COMPRISING A MOVABLE SHUNT FOR THE FLUX OF SAID PERMANENT MAGNET FIELD.
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |