US2828231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for ultrasonic cleansing
Assignee: General Electric Co
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Filing: 1954-03-31
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Granted: 1958-03-25
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Expires: 1974-03-31
Abstract
No abstract record available.
Inventors
- 👤 George E Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:46
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
75 words
A METHOD OF CLEANSING AN OBJECT, WHICH COMPRISES IMMERSING THE OBJECT IN A LIQUID, TRANSMITTING ULTRASONIC COMPRESSIONAL WAVES THROUGH SAID LIQUID TO SAID OBJECT IN SUCH A MANNER THAT THE SURFACE OF SAID LIQUID IS AGITATED THEREBY, REPEATEDLY MOVING SAID OBJECT IN AND OUT OF SAID LIQUID THROUGH THE AGITATED FREE SURFACE THEREOF, MAINTAINING DISSOLVED GAS IN SAID LIQUID, AND CONTROLLING THE TEMPERATURE OF SAID LIQUID TO TEND TO PREVENT DRIVING OFF OF GAS THEREFROM.
Claim 2
Independent Claim
75 words
A METHOD OF CLEANSING AN OBJECT, WHICH COMPRISES IMMERSING THE OBJECT IN A LIQUID, TRANSMITTING ULTRASONIC COMPRESSIONAL WAVES THROUGH SAID LIQUID TO SAID OBJECT IN SUCH A MANNER THAT THE SURFACE OF SAID LIQUID IS AGITATED THEREBY, REPEATEDLY MOVING SAID OBJECT IN AND OUT OF SAID LIQUID THROUGH THE AGITATED FREE SURFACE THEREOF, MAINTAINING DISSOLVED GAS IN SAID LIQUID, AND CONTROLLING THE TEMPERATURE OF SAID LIQUID TO TEND TO PREVENT DRIVING OFF OF GAS THEREFROM.
Claim 3
Dependent Claim
93 words
APPARATUS FOR CLEANSING A BALL BEARING ASSEMBLY COMPRISING MEANS FOR IMMERSING SAID ASSEMBLY IN A LIQUID, MEANS FOR TRANSMITTING ULTRASONIC COMPRESSIONAL WAVES THROUGH SAID LIQUID TO SAID ASSEMBLY WHEREBY THE SURFACE OF SAID LIQUID IS AGITATED, MEANS FOR ROTATING ONE OF THE RACES OF SAID ASSEMBLY, MEANS FOR MOVING SAID ASSEMBLY IN AND OUT OF SAID LIQUID THROUGH THE AGITATED FREE SURFACE THEREOF, MEANS FOR MAINTAINING A SUBSTANTIAL AMOUNT OF DISSOLVED GAS IN SAID LIQUID, AND MEANS FOR CONTROLLING THE TEMPERATURE OF SAID LIQUID TO TEND TO PREVENT DRIVING OFF OF GAS THEREFROM.
Claim 4
Dependent Claim
93 words
APPARATUS FOR CLEANSING A BALL BEARING ASSEMBLY COMPRISING MEANS FOR IMMERSING SAID ASSEMBLY IN A LIQUID, MEANS FOR TRANSMITTING ULTRASONIC COMPRESSIONAL WAVES THROUGH SAID LIQUID TO SAID ASSEMBLY WHEREBY THE SURFACE OF SAID LIQUID IS AGITATED, MEANS FOR ROTATING ONE OF THE RACES OF SAID ASSEMBLY, MEANS FOR MOVING SAID ASSEMBLY IN AND OUT OF SAID LIQUID THROUGH THE AGITATED FREE SURFACE THEREOF, MEANS FOR MAINTAINING A SUBSTANTIAL AMOUNT OF DISSOLVED GAS IN SAID LIQUID, AND MEANS FOR CONTROLLING THE TEMPERATURE OF SAID LIQUID TO TEND TO PREVENT DRIVING OFF OF GAS THEREFROM.
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Cited
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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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |