Patent US2647846A successfully refreshed from Google Patents.
US2647846A
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Method and apparatus for washing articles by supersonic vibration in a flowing liquid
Assignee: Individual
•
Filing: 1948-02-28
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Granted: 1953-08-04
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Expires: 1968-02-28
Abstract
No abstract record available.
Inventors
- 👤 Bagno Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:10
CPC Classifications
A; A47; A47L; A47L17/00; A47L17/02; C; C23; C23G; C23G3/00; Y; Y10; Y10S; Y10S451/00; Y10S451/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE METHOD OF CLEANING ARTICLES COMPRISING PLACING THE ARTICLES IN A CONTAINER HAVING AN INLET AND AN OUTLET, CONTINUOUSLY ADMITTING LIQUID UNDER PRESSURE INTO THE CONTAINER AND DISCHARGING IT THROUGH THE OUTLET, AND PRODUCING PRESSURE WAVES OF ULTRA-SONIC FREQUENCIES IN THE LIQUID IN THE CONTAINER BY PERIODICALLY INTERRUPTING THE ADMISSION OF SAID LIQUID.
Claim 2
Independent Claim
53 words
THE METHOD OF CLEANING ARTICLES COMPRISING PLACING THE ARTICLES IN A CONTAINER HAVING AN INLET AND AN OUTLET, CONTINUOUSLY ADMITTING LIQUID UNDER PRESSURE INTO THE CONTAINER AND DISCHARGING IT THROUGH THE OUTLET, AND PRODUCING PRESSURE WAVES OF ULTRA-SONIC FREQUENCIES IN THE LIQUID IN THE CONTAINER BY PERIODICALLY INTERRUPTING THE ADMISSION OF SAID LIQUID.
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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) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |