Patent US3185100A successfully refreshed from Google Patents.
US3185100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comminuting pump
Assignee: Individual
•
Filing: 1962-09-10
•
Granted: 1965-05-25
•
Expires: 1982-09-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph T Secrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:32
CPC Classifications
F; F04; F04D; F04D5/00; B; B02; B02C; B02C18/00; B02C18/0084; B02C18/0092; F04D7/00; F04D7/02; F04D7/04; F04D7/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A COMMINUTING PUMP COMPRISING A VERTICAL HOUSING HAVING A CYLINDRICAL SIDE WALL AND UPPER AND LOWER CLOSURE PLATES, MEANS SECURED TO SAID HOUSING FOR SUSPENDING THE LATTER IN A LIQUIFIED MASS, A ROTATABLE HUB COAXIALLY DISPOSED IN SAID HOUSING, A CUTTER AND PUMPING BLADES PROJECTING RADIALLY FROM SAID HUB AND HAVING OUTER AXIALLY EXTENDING CUTTING EDGES DISPOSED FOR MOVEMENT IN A PATH IN CLOSE PROXIMITY TO THE INNER SURFACE OF SAID SIDE WALL TOP AND BOTTOM ANNULAR FLANGES SECURED TO SAID HUB AT THE TOP AND BOTTOM OF SAID BLADES TO CONFINE COARSE MATERIAL IN THE LIQUID BEING PUMPED IN A PUMP CHAMBER FORMED BETWEEN SAID ANNULAR FLANGES AND THE SIDE WALL OF THE HOUSING, SAID CUTTING EDGES EXTENDING BETWEEN SAID ANNULAR FLANGES, MEANS IN SAID SIDE WALL DEFINING SPACED INLET AND OUTLET OPENINGS PROVIDING SUBSTANTIALLY HORIZONTAL INTAKE AND OUTLET OF MATERIAL TO BE PUMPED, SAID INLET OPENING HAVING AN AXIALLY EXTENDING FAR SIDE
Claim 2
Dependent Claim
154 words
A COMMINUTING PUMP COMPRISING A VERTICAL HOUSING HAVING A CYLINDRICAL SIDE WALL AND UPPER AND LOWER CLOSURE PLATES, MEANS SECURED TO SAID HOUSING FOR SUSPENDING THE LATTER IN A LIQUIFIED MASS, A ROTATABLE HUB COAXIALLY DISPOSED IN SAID HOUSING, A CUTTER AND PUMPING BLADES PROJECTING RADIALLY FROM SAID HUB AND HAVING OUTER AXIALLY EXTENDING CUTTING EDGES DISPOSED FOR MOVEMENT IN A PATH IN CLOSE PROXIMITY TO THE INNER SURFACE OF SAID SIDE WALL TOP AND BOTTOM ANNULAR FLANGES SECURED TO SAID HUB AT THE TOP AND BOTTOM OF SAID BLADES TO CONFINE COARSE MATERIAL IN THE LIQUID BEING PUMPED IN A PUMP CHAMBER FORMED BETWEEN SAID ANNULAR FLANGES AND THE SIDE WALL OF THE HOUSING, SAID CUTTING EDGES EXTENDING BETWEEN SAID ANNULAR FLANGES, MEANS IN SAID SIDE WALL DEFINING SPACED INLET AND OUTLET OPENINGS PROVIDING SUBSTANTIALLY HORIZONTAL INTAKE AND OUTLET OF MATERIAL TO BE PUMPED, SAID INLET OPENING HAVING AN AXIALLY EXTENDING FAR SIDE
References Cited (Backward Citations)
US1374533A
Cited
US2225797A
Cited
US2371681A
Cited
US2714354A
Cited
FR1160993A
Cited
US2857946A
Cited
CH340945A
Cited
US2968436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |