US3254284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic vibration generators
Assignee: Giannini Controls Corp
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Filing: 1963-05-10
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Granted: 1966-05-31
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Expires: 1983-05-10
Abstract
No abstract record available.
Inventors
- 👤 Sidney R Tomes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:30
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/0207; B06B1/0223; B06B1/0238; B06B1/0246; B06B1/0261; B06B2201/00; B06B2201/70; B06B2201/71
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
A SYSTEM FOR PRODUCING MECHANICAL VIBRATION COMPRISING AN OPEN TOP TANK HAVING A BOTTOM FACE AND ADAPTED TO RECEIVE A CLEANING LIQUID AND ARTICLES IMMERSED THEREIN, TRANSDUCER MEANS COMPRISING A PAIR OF CONVERSION ELEMENTS STACKED BETWEEN A PAIR OF PASSIVE MATCHING SECTIONS MOUNTED IN MECHANICAL ENERGY EXCHANGING RELATION WITH SAID FACE, AND ELECTRICAL AMPLIFYING MEANS CONNECTED IN DRIVING RELATION TO ONE CONVERSION ELEMENT REGENRATIVELY RESPONSIVE TO REFLECTED ENERGY IN THE LIQUID PROPAGATED TO THE OTHER CONVERSION ELEMENT TO RESONATE LIQUID IN SAID TANK AT A FREQUENCY PRODUCING AN EXACT NUMBER OF HALF WAVE LENGTHS IN THE LIQUID AND LYING IN THE REGION OF TRANSDUCER RESONANCE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |