Patent US1322933A successfully refreshed from Google Patents.
Patent US3170779A successfully refreshed from Google Patents.
US3170779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless conveyor freeze concentration and separation system
Assignee: Blaw Knox Co
•
Filing: 1961-11-24
•
Granted: 1965-02-23
•
Expires: 1981-11-24
Abstract
No abstract record available.
Inventors
- 👤 George B Karnofsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:45
CPC Classifications
F; F25; F25B; F25B1/00; F25C; F25C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
METHOD OF MAKING AND WASHING ICE COMPRISING IN COMBINATION, SUPPLYING ICE TO BE WASHED INTO A FRESHLY EMPTIED CONTAINER BY DISCHARGING SALINE WATER AND A VAPORIZABLE LIQUID REFRIGERANT IN ADMIXTURE UNDER CONDITIONS SUITABLE TO PARTIALLY FREEZE A PORTION OF SAID WATER BY VAPORIZING SAID REFRIGERANT, THE PROPORTIONS OF SAID WATER AND LIQUID REFRIGERANT BEING SELECTED TO PROVIDE A SELF-LEVELING AND SELF-DISTRIBUTING FEED SLURRY TO FORM A BED OF UNWASHED ICE IN SAID FRESHLY EMPTIED CONTAINER, RESPECTIVELY RELATIVELY REMOVING A SUCCESSION OF INDIVIDUAL CONTAINERS IN AN ENDLESS PATH TO RECEIVE AND WASH SAID ICE WITHIN ONE CIRCUIT OF SAID CONTAINERS RESPECTIVELY ALONG SAID PATH, DISCHARGING WASH LIQUID UPON THE ICE IN EACH CONTAINER DURING SAID ONE CIRUCIT, DRAINING LIQUID FROM ICE BEING WASHED IN SAID CONTAINER DOWNWARDLY INTO A PLURALITY OF WASH LIQUID RECEIVING COMPARTMENTS, AND EMPTYING SAID CONTAINERS SUCCESSIVELY AT THE END OF SAID ONE CIRCUIT INTO A DISCHARGE ZONE FOR THE REMOVAL OF WASHED ICE THEREFROM RESPECTIVELY.
Claim 2
Dependent Claim
158 words
METHOD OF MAKING AND WASHING ICE COMPRISING IN COMBINATION, SUPPLYING ICE TO BE WASHED INTO A FRESHLY EMPTIED CONTAINER BY DISCHARGING SALINE WATER AND A VAPORIZABLE LIQUID REFRIGERANT IN ADMIXTURE UNDER CONDITIONS SUITABLE TO PARTIALLY FREEZE A PORTION OF SAID WATER BY VAPORIZING SAID REFRIGERANT, THE PROPORTIONS OF SAID WATER AND LIQUID REFRIGERANT BEING SELECTED TO PROVIDE A SELF-LEVELING AND SELF-DISTRIBUTING FEED SLURRY TO FORM A BED OF UNWASHED ICE IN SAID FRESHLY EMPTIED CONTAINER, RESPECTIVELY RELATIVELY REMOVING A SUCCESSION OF INDIVIDUAL CONTAINERS IN AN ENDLESS PATH TO RECEIVE AND WASH SAID ICE WITHIN ONE CIRCUIT OF SAID CONTAINERS RESPECTIVELY ALONG SAID PATH, DISCHARGING WASH LIQUID UPON THE ICE IN EACH CONTAINER DURING SAID ONE CIRUCIT, DRAINING LIQUID FROM ICE BEING WASHED IN SAID CONTAINER DOWNWARDLY INTO A PLURALITY OF WASH LIQUID RECEIVING COMPARTMENTS, AND EMPTYING SAID CONTAINERS SUCCESSIVELY AT THE END OF SAID ONE CIRCUIT INTO A DISCHARGE ZONE FOR THE REMOVAL OF WASHED ICE THEREFROM RESPECTIVELY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |