US3187207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducers
Assignee: Giannini Controls Corp
•
Filing: 1960-08-08
•
Granted: 1965-06-01
•
Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Sidney R Tomes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:31
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0611; B06B1/0618
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A COMPRESSIONAL WAVE TRANSDUCER COMPRISING A PAIR OF PASSIVE TERMINAL ELEMENTS, BOTH ELECTRICALLY CONDUCTIVE, A PAIR OF NON-METALLIC ELECTRICALLY ACTIVE ELEMENTS BETWEEN THE TERMINAL ELEMENTS A METALLIC CONDUCTIVE PLATE ELEMENT BETWEEN THE ACTIVE ELEMENTS, A DUCTILE ELEMENT OF CONDUCTIVE MATERIAL BETWEEN EACH PAIR OF SAID ADJACENT ELEMENT, EACH DUCTILE ELEMENT BEING BONDED WITH CEMENT TO THE ADJACENT ELEMENTS WHEREBY STRESSES BETWEEN THE ADJACENT ELEMENTS ARE ACCOMMODATED BY THE DUCTILE ELEMENT.
Claim 2
Dependent Claim
70 words
A COMPRESSIONAL WAVE TRANSDUCER COMPRISING A PAIR OF PASSIVE TERMINAL ELEMENTS, BOTH ELECTRICALLY CONDUCTIVE, A PAIR OF NON-METALLIC ELECTRICALLY ACTIVE ELEMENTS BETWEEN THE TERMINAL ELEMENTS A METALLIC CONDUCTIVE PLATE ELEMENT BETWEEN THE ACTIVE ELEMENTS, A DUCTILE ELEMENT OF CONDUCTIVE MATERIAL BETWEEN EACH PAIR OF SAID ADJACENT ELEMENT, EACH DUCTILE ELEMENT BEING BONDED WITH CEMENT TO THE ADJACENT ELEMENTS WHEREBY STRESSES BETWEEN THE ADJACENT ELEMENTS ARE ACCOMMODATED BY THE DUCTILE ELEMENT.
References Cited (Backward Citations)
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Cited
US1912213A
Cited
US2625035A
Cited
US2947889A
Cited
US3066232A
Cited
US3094314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |