US3320964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical flush system
Assignee: Individual
•
Filing: 1965-06-21
•
Granted: 1967-05-23
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Lewis H Tripp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:30
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0482; A47F3/0495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A CHEMICAL FLUSH SYSTEM FOR REFRIGERATED FOOD CASES COMPRISING A DETERGENT SUPPLY CONTAINER HAVING A GRAVITY DISCHARGE LINE EXTENDING THEREFROM AND A DETACHABLE COVER THEREOVER FOR ADDING DETERGENT THERTO AND FOR PREVENTING A VACUUM THEREIN ON THE DISCHARGE OF DETERGENT FROM SAID DISCHARGE LINE, AND WATER SUPPLY LINE PASSING BENEATH SAID CONTAINER, SAID DISCHARGE LINE EMPTYING INTO SAID SUPPLY LINE THROUGH A NOZZLE IN COMMUNICATION WITH SAID DISCHARGE LINE AND DIRECTED DOWN-STREAM OF SAID FLOW OF WATER IN SAID SUPPLY LINE FOR FORMING A MIXING CHAMBER, A CONTROL LEVER TO METER THE AMOUNT OF DETERGENT TO BE DRAWN BY SAID SUPPLY LINE, SPRAY LINES TERMINATING THE FLOW OF SAID SUPPLY LINE, SAID SPRAY LINES LATERALLY DISPOSED OVER A REFRIGERATING FOOD SUPPORTING SURFACE, SAID SUPPORTING SURFACE HAVING DISPOSED AT A LOWER PORTION THEREOF A DRAIN TO RUN OFF WATER FROM SAID SPRAY LINES THAT COLLECTS THEREON.
Claim 2
Dependent Claim
145 words
A CHEMICAL FLUSH SYSTEM FOR REFRIGERATED FOOD CASES COMPRISING A DETERGENT SUPPLY CONTAINER HAVING A GRAVITY DISCHARGE LINE EXTENDING THEREFROM AND A DETACHABLE COVER THEREOVER FOR ADDING DETERGENT THERTO AND FOR PREVENTING A VACUUM THEREIN ON THE DISCHARGE OF DETERGENT FROM SAID DISCHARGE LINE, AND WATER SUPPLY LINE PASSING BENEATH SAID CONTAINER, SAID DISCHARGE LINE EMPTYING INTO SAID SUPPLY LINE THROUGH A NOZZLE IN COMMUNICATION WITH SAID DISCHARGE LINE AND DIRECTED DOWN-STREAM OF SAID FLOW OF WATER IN SAID SUPPLY LINE FOR FORMING A MIXING CHAMBER, A CONTROL LEVER TO METER THE AMOUNT OF DETERGENT TO BE DRAWN BY SAID SUPPLY LINE, SPRAY LINES TERMINATING THE FLOW OF SAID SUPPLY LINE, SAID SPRAY LINES LATERALLY DISPOSED OVER A REFRIGERATING FOOD SUPPORTING SURFACE, SAID SUPPORTING SURFACE HAVING DISPOSED AT A LOWER PORTION THEREOF A DRAIN TO RUN OFF WATER FROM SAID SPRAY LINES THAT COLLECTS THEREON.
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |