US3301535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic washing machine and transducer therefor
Assignee: American Sterilizer Co
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Filing: 1966-01-04
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Granted: 1967-01-31
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Expires: 1986-01-04
Abstract
No abstract record available.
Inventors
- 👤 Gilbert G Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:19
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN COMBINATION, A TRANSDUCER ADAPTED TO BE INSTALLED IN A LIQUID TANK AND A SEALING WASHER COMPRISING, A RELATIVELY RIGID PLATE-LIKE MEMBER, ACTUATING MEMBER FIXED TO ONE SIDE OF SAID PLATE-LIKE MEMBER ADJACENT THE CENTER THEREOF, SAID ACTUATING MEMBER BEING ADAPTED TO EXTENDS THROUGH AN OPENING IN THE BOTTOM OF SAID TANK, A RESILIENT WASHER HAVING AN OPENING IN THE CENTER THEREOF, SAID ACTUATING MEMBER EXTENDING THROUGH SAID OPENING IN SAID WASHER, SAID WASHER HAVING A GROOVE IN THE OUTER PERIPHERY THEREOF, SAID GROOVE BEING ADAPTED TO RECEIVE THE PERIPHERAL EDGE DEFINING SAID OPENING IN SAID TANK, AND SEALING MEANS TO SEAL SAID WASHER TO SAID DISK AND TO SAID TANK WHEREBY LEAKAGE BETWEEN SAID TANK BOTTOM AND SAID TRANSDUCER IS ELIMINATED.
Claim 2
Dependent Claim
122 words
IN COMBINATION, A TRANSDUCER ADAPTED TO BE INSTALLED IN A LIQUID TANK AND A SEALING WASHER COMPRISING, A RELATIVELY RIGID PLATE-LIKE MEMBER, ACTUATING MEMBER FIXED TO ONE SIDE OF SAID PLATE-LIKE MEMBER ADJACENT THE CENTER THEREOF, SAID ACTUATING MEMBER BEING ADAPTED TO EXTENDS THROUGH AN OPENING IN THE BOTTOM OF SAID TANK, A RESILIENT WASHER HAVING AN OPENING IN THE CENTER THEREOF, SAID ACTUATING MEMBER EXTENDING THROUGH SAID OPENING IN SAID WASHER, SAID WASHER HAVING A GROOVE IN THE OUTER PERIPHERY THEREOF, SAID GROOVE BEING ADAPTED TO RECEIVE THE PERIPHERAL EDGE DEFINING SAID OPENING IN SAID TANK, AND SEALING MEANS TO SEAL SAID WASHER TO SAID DISK AND TO SAID TANK WHEREBY LEAKAGE BETWEEN SAID TANK BOTTOM AND SAID TRANSDUCER IS ELIMINATED.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |