US3236173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor useful in a continuous brewing apparatus
Assignee: Individual
•
Filing: 1964-03-23
•
Granted: 1966-02-22
•
Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Robert H Wohleb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:43
CPC Classifications
C; C12; C12C; C12C7/00; C12C7/14; C12C7/16; C12C7/163; A; A23; A23F; A23F5/00; A23F5/24; A23F5/26; A23F5/265; C12C13/00; C12C13/02; C12C13/025; C12C7/04; C12C7/047; C12C7/06; C12C7/062; C12C7/20; C12C7/205; C12C7/24; Y; Y10; Y10S; Y10S435/00; Y10S435/813
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A CONVEYOR FOR A MATERIAL WHICH IS PRIMARILY A LIQUID, COMPRISING A SCREW CONVEYOR FORMED WITH A HELICAL BLADE, AND DISPOSED WITH ITS AXIS HORIZONTAL, A TROUGH ENCIRCLING THE BOTTOM HALF OF THE BLADE, IN SUBSTANTIALLY LIQUID-TIGHT ENGAGEMENT WITH THE SAME THROUGHOUT THE LENGTH OF THE BLADE, TO DEFINE, AT A LEVEL ENTIRELY BELOW THE LEVEL OF THE BLADE''S AXIS, A PLURALITY OF INDIVIDUAL, NONCOMMUNICATING SEMI-CYLINDRICAL COMPARTMENTS, MEANS TO ROTATE THE BLADE UNIDIRECTIONALLY WITHIN ITS TROUGH, WHEREBY SUCH COMPARTEMTNS ADVANCE LENGTHWISE OF THE TROUGH, AND FIXEDLY POSITIONED MEANS TO DELIVER MATERIAL, INCLUDING LIQUID, INTO THE TROUGH IN QUANTITIES INSUFFICIENT TO FILL ANY COMPARTMENTS TO THE LEVEL OF THE BLADE''S AXIS, BUT IN LIKE QUANTITIES IN THE SEVERAL COMPARTMENTS.
Claim 2
Dependent Claim
118 words
A CONVEYOR FOR A MATERIAL WHICH IS PRIMARILY A LIQUID, COMPRISING A SCREW CONVEYOR FORMED WITH A HELICAL BLADE, AND DISPOSED WITH ITS AXIS HORIZONTAL, A TROUGH ENCIRCLING THE BOTTOM HALF OF THE BLADE, IN SUBSTANTIALLY LIQUID-TIGHT ENGAGEMENT WITH THE SAME THROUGHOUT THE LENGTH OF THE BLADE, TO DEFINE, AT A LEVEL ENTIRELY BELOW THE LEVEL OF THE BLADE''S AXIS, A PLURALITY OF INDIVIDUAL, NONCOMMUNICATING SEMI-CYLINDRICAL COMPARTMENTS, MEANS TO ROTATE THE BLADE UNIDIRECTIONALLY WITHIN ITS TROUGH, WHEREBY SUCH COMPARTEMTNS ADVANCE LENGTHWISE OF THE TROUGH, AND FIXEDLY POSITIONED MEANS TO DELIVER MATERIAL, INCLUDING LIQUID, INTO THE TROUGH IN QUANTITIES INSUFFICIENT TO FILL ANY COMPARTMENTS TO THE LEVEL OF THE BLADE''S AXIS, BUT IN LIKE QUANTITIES IN THE SEVERAL COMPARTMENTS.
References Cited (Backward Citations)
US1685534A
Cited
US1906247A
Cited
US2027958A
Cited
US2146692A
Cited
US2397305A
Cited
US2686192A
Cited
US3005398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |