Patent US3052574A successfully refreshed from Google Patents.
US3052574A
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US
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Tank cleaning device and method
Assignee: Pyrate Sales Inc
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Filing: 1958-05-14
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Granted: 1962-09-04
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Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Merritt T Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:49
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/003; B05B3/005; B05B3/02; B05B3/04; B05B3/06; B05B3/066; B08; B08B; B08B9/00; B08B9/08; B08B9/093; B08B9/0936; F; F28; F28G; F28G3/00; F28G3/16; F28G3/166; F28G9/00; B05B1/00; B05B1/34; B05B1/3402
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
A METHOD OF CLEANING WALLS OF A TANK ELONGATED IN A HORIZONTAL DIRECTION AND HAVING A LENGTH SUBSTANTIALLY GREATER THAN ITS TRANSVERSE DIMENSIONS, WHICH COMPRISES SUPPORTING A NOZZLE IN THE TANK, PROJECTING LIQUID FROM SAID NOZZLE AS A HIGH VOLOCITY JET SO THAT THE JET IMPRINGES ON THE WALLS OF THE TANK, CAUSING SAID NOZZLE TO ROTATE ABOUT A FIRST AXIS AS THE JET IS DISCHARGED THEREFROM, AND SIMULTANEOUSLY CAUSING SAID NOZZLE TO MOVE BODILY ABOUT A HORIZONTAL AXIS SUBSTANTIALLY AT RIGHT ANGLES TO SAID FIRST AXIS AND EXTENDING ALONG THE LENGTH OF SAID TANK WHILE MAINTAINING THE RELATIVE RATES OF MOVEMENTS OF THE NOZZLE ABOUT SAID AXES SUBSTANTIALLY CONSTANT TO CAUSE SAID NOZZLE TO GENERATE A HELICAL JET WITH SUCCESSIVE CONVOLUTIONS EXTENDING IN ANGULARLY DISPLACED RADIAL PLANES WHEN THE TANK IS OBSERVED IN END ELEVATION.
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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) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |