US3133558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reagent feeding mechanism
Assignee: Individual
•
Filing: 1962-10-29
•
Granted: 1964-05-19
•
Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Fajans Jack
- 👤 John E Nakivell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:32
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954; Y10T137/86236; Y10T137/8626; Y10T137/87571; Y10T137/87652
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN AN ARRANGEMENT FOR FEEDING A SUBSTANCE TO A LIQUID, IN COMBINATION: (A) A TANK ADAPTED TO HOLD SAID LIQUID; (B) CIRCULATING PUMP MEANS INCLUDING INTAKE MEANS AND DISCHARGE MEANS; (C) A FIRST CIRCULATION CONDUIT INTERPOSED BETWEEN SAID TANK AND THE INTAKE MEANS OF SAID PUMP MEANS; (D) A SECOND CIRCULATION CONDUIT INTERPOSED BETWEEN SAID TANK AND THE DISCHARGE MEANS OF SAID PUMP MEANS; (E) A CONTAINER ADAPTED TO HOLD SAID MATERIAL; (F) INTAKE NOZZLE MEANS IN SAID CONTAINER; (G) A FEED CONDUIT CONNECTING SAID NOZZLE MEANS TO ONE OF SAID CIRCULATION CONDUITS; AND (H) DRIVE MEANS CONNECTED TO SAID NOZZLE MEANS FOR LOWERING THE SAME IN SAID CONTAINER AT A SUBSTANTIALLY UNIFORM RATE.
Claim 2
Dependent Claim
114 words
IN AN ARRANGEMENT FOR FEEDING A SUBSTANCE TO A LIQUID, IN COMBINATION: (A) A TANK ADAPTED TO HOLD SAID LIQUID; (B) CIRCULATING PUMP MEANS INCLUDING INTAKE MEANS AND DISCHARGE MEANS; (C) A FIRST CIRCULATION CONDUIT INTERPOSED BETWEEN SAID TANK AND THE INTAKE MEANS OF SAID PUMP MEANS; (D) A SECOND CIRCULATION CONDUIT INTERPOSED BETWEEN SAID TANK AND THE DISCHARGE MEANS OF SAID PUMP MEANS; (E) A CONTAINER ADAPTED TO HOLD SAID MATERIAL; (F) INTAKE NOZZLE MEANS IN SAID CONTAINER; (G) A FEED CONDUIT CONNECTING SAID NOZZLE MEANS TO ONE OF SAID CIRCULATION CONDUITS; AND (H) DRIVE MEANS CONNECTED TO SAID NOZZLE MEANS FOR LOWERING THE SAME IN SAID CONTAINER AT A SUBSTANTIALLY UNIFORM RATE.
References Cited (Backward Citations)
US2059142A
Cited
US2300633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |