US3033710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of surface cleaning using ultrasonic energy
Assignee: Branson Ultrasonics Corp
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Filing: 1957-03-12
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Granted: 1962-05-08
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Expires: 1977-03-12
Abstract
No abstract record available.
Inventors
- 👤 Frank W Hightower
- 👤 Walter J Bleistein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:36
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; B08B3/123
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
THE METHOD OF CLEANING AN OBJECT COMPRISING THE STEPS OF IMMERSING THE OBJECT IN A FIRST BATH SOLUTION SELECTED FROM A GROUP CONSISTING OF ACIDIC AND BASIC SOLUTIONS TO ADHERE SAID SOLUTION THERETO, THEN IMMERSING THE OBJECT IN A SECOND BATH HAVING OPPOSITE PH CHARACTERISTICS WHILE RESIDUAL FIRST BATH SOLUTION ADHERES TO SAID OBJECT AND SUBJECTING SAID SECOND BATH TO ULTRASONIC ACTIVATION.
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US2455411A
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US2616820A
Cited
US2702260A
Cited
US2894860A
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US2784119A
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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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |