US3100628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersing apparatus
Assignee: Individual
•
Filing: 1962-03-05
•
Granted: 1963-08-13
•
Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert W Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:28
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN APPARATUS FOR DISSEMINATING SOLID MATERIAL IN A LIQUID COMPRISING A CHAMBER, A ROTATABLE IMPELLER IN SAID CHAMBER HAVING A PAIR OF ANNULAR PLANAR SURFACES LOCATED ON OPPOSITE SIDES OF THE IMPELLER IN THE CENTER THEREOF AND A PLURALITY OF ALTERNATING RIDGES AND OPEN GROOVES IN EACH OF THE OPPOSING SIDES OF THE IMPELLER, EACH OF SAID OPEN GROOVES HAVING AN INLET END LOCATED AT THE OUTER EDGE OF THE ADJACENT ANNULAR PLANAR SURFACE AND AN OUTLET END LOCATED AT THE OUTER EDGE OF THE IMPELLER, SAID GROOVES BECOMING PROGRESSIVELY NARROWER AS THEY APPROACH THE PERIPHERAL EDGE OF THE IMPELLER, THE TOTAL AREA OF THE SURFACES OF SAID RIDGES BEING GREATER THAN THE TOTAL AREA OF THE SURFACES OF SAID GROOVES.
Claim 2
Independent Claim
121 words
AN APPARATUS FOR DISSEMINATING SOLID MATERIAL IN A LIQUID COMPRISING A CHAMBER, A ROTATABLE IMPELLER IN SAID CHAMBER HAVING A PAIR OF ANNULAR PLANAR SURFACES LOCATED ON OPPOSITE SIDES OF THE IMPELLER IN THE CENTER THEREOF AND A PLURALITY OF ALTERNATING RIDGES AND OPEN GROOVES IN EACH OF THE OPPOSING SIDES OF THE IMPELLER, EACH OF SAID OPEN GROOVES HAVING AN INLET END LOCATED AT THE OUTER EDGE OF THE ADJACENT ANNULAR PLANAR SURFACE AND AN OUTLET END LOCATED AT THE OUTER EDGE OF THE IMPELLER, SAID GROOVES BECOMING PROGRESSIVELY NARROWER AS THEY APPROACH THE PERIPHERAL EDGE OF THE IMPELLER, THE TOTAL AREA OF THE SURFACES OF SAID RIDGES BEING GREATER THAN THE TOTAL AREA OF THE SURFACES OF SAID GROOVES.
References Cited (Backward Citations)
US2853280A
Cited
US3044750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |