Patent US3090393A successfully refreshed from Google Patents.
US3090393A
Expired / Lapsed
US
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Method and apparatus for cleaning tanks
Assignee: Individual
•
Filing: 1959-07-06
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Granted: 1963-05-21
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Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Edward L Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:01
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/14; B05B1/1421; B08; B08B; B08B9/00; B08B9/08; B08B9/093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A MILK TANK, THE IMPROVEMENT COMPRISING: A SPRAY HEAD STATIONARILY MOUNTED WITH AN UPPERMOST PORTION OF SAID TANK AND FORMED WITH A PLURALITY OF SUBSTANTIALLY HORIZONTALLY DIRECTED AND HORIZONTALLY ELONGATED ORIFICES ARRANGED FOR DELIVERING OVERLAPPING WIDE AND THIN STREAMS OF A CLEANING SOLUTION ONTO INTERIOR SURFACES OF SAID TANK IMMEDIATELY ADJACENT SAID SPRAY HEAD TO FORM A CIRCULATING FILM OF CLEANING SOLUTION ON SAID SURFACE; AN OUTLET OPENING IN SAID TANK ADAPTED FOR DRAINING CLEANING SOLUTION COLLECTING ON THE FLOOR OF SAID TANK; AND A RECIRCULATORY MEANS OPERATIVELY ASSOCIATED WITH SAID OUTLET
Claim 2
Dependent Claim
93 words
IN A MILK TANK, THE IMPROVEMENT COMPRISING: A SPRAY HEAD STATIONARILY MOUNTED WITH AN UPPERMOST PORTION OF SAID TANK AND FORMED WITH A PLURALITY OF SUBSTANTIALLY HORIZONTALLY DIRECTED AND HORIZONTALLY ELONGATED ORIFICES ARRANGED FOR DELIVERING OVERLAPPING WIDE AND THIN STREAMS OF A CLEANING SOLUTION ONTO INTERIOR SURFACES OF SAID TANK IMMEDIATELY ADJACENT SAID SPRAY HEAD TO FORM A CIRCULATING FILM OF CLEANING SOLUTION ON SAID SURFACE; AN OUTLET OPENING IN SAID TANK ADAPTED FOR DRAINING CLEANING SOLUTION COLLECTING ON THE FLOOR OF SAID TANK; AND A RECIRCULATORY MEANS OPERATIVELY ASSOCIATED WITH SAID OUTLET
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |