Patent US3280764A successfully refreshed from Google Patents.
US3280764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for rapid mixing
Assignee: AMF Inc
•
Filing: 1963-04-03
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Granted: 1966-10-25
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Expires: 1983-04-03
Abstract
No abstract record available.
Inventors
- 👤 Norman N Potter
- 👤 Kelly Thomas Kenneth
- 👤 Joseph A Zang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:47
CPC Classifications
A; A21; A21C; A21C1/00; A21C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A DOUGH DEVELOPER ATTACHABLE TO A DOUGH PREMIXER TO RECEIVE DOUGH PRE-MIX THEREFROM, A CYLINDRICAL CHAMBER SUBSTANTIALLY VERTICALLY POSITIONED, A SHAFT ROTATABLY MOUNTED IN SAID CHAMBER SUBSTANTIALLY CO-AXIAL THEREWITH, DRIVE MEANS DRIVINGLY CONNECTED TO ROTATE SAID SHAFT, SAID DRIVE MEANS BEING OF THE VARIABLE SPEED TYPE, AT LEAST ONE ELONGATED BLADE SECURED TO SAID SHAFT IN SAID CYLINDRICAL CHAMBER, SAID BLADE HAVING A RADIUS SUBSTANTIALLY LESS THAN THE RADIUS OF SAID CYLINDRICAL CHAMBER, A BOTTOM WALL IN SAID CHAMBER, AN ORIFICE FORMED IN SAID BOTTOM WALL, A PAIR OF SPACED PARALLEL ROLLERS POSITIONED BENEATH SAID ORIFICE, MEANS MOUNTING SAID ROLLERS FOR ROTATION, VARIABLE SPEED DRIVE MEANS DRIVINGLY INTER-CONNECTED TO SAID ROLLERS TO DRIVE SAID ROLLERS OPPOSITELY ONE TO THE OTHER
Claim 2
Dependent Claim
121 words
IN A DOUGH DEVELOPER ATTACHABLE TO A DOUGH PREMIXER TO RECEIVE DOUGH PRE-MIX THEREFROM, A CYLINDRICAL CHAMBER SUBSTANTIALLY VERTICALLY POSITIONED, A SHAFT ROTATABLY MOUNTED IN SAID CHAMBER SUBSTANTIALLY CO-AXIAL THEREWITH, DRIVE MEANS DRIVINGLY CONNECTED TO ROTATE SAID SHAFT, SAID DRIVE MEANS BEING OF THE VARIABLE SPEED TYPE, AT LEAST ONE ELONGATED BLADE SECURED TO SAID SHAFT IN SAID CYLINDRICAL CHAMBER, SAID BLADE HAVING A RADIUS SUBSTANTIALLY LESS THAN THE RADIUS OF SAID CYLINDRICAL CHAMBER, A BOTTOM WALL IN SAID CHAMBER, AN ORIFICE FORMED IN SAID BOTTOM WALL, A PAIR OF SPACED PARALLEL ROLLERS POSITIONED BENEATH SAID ORIFICE, MEANS MOUNTING SAID ROLLERS FOR ROTATION, VARIABLE SPEED DRIVE MEANS DRIVINGLY INTER-CONNECTED TO SAID ROLLERS TO DRIVE SAID ROLLERS OPPOSITELY ONE TO THE OTHER
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |