US3353150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam-filled transducer
Assignee: Atlantic Research Corp
•
Filing: 1965-10-22
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Granted: 1967-11-14
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jacox Gordon Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:34
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0655
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A TRANSDUCER COMPRISING A BASE, A COVER MOUNTED TO SAID BASE THEREBY FORMING AN ENCLOSED CAVITY, A PLURALITY OF ELECTROMECHANICALLY-RESPONSIVE CERAMIC ELEMENTS MOUNTED IN SAID CAVITY AND IN PRESSURE-TRANSMITTING RELATION WITH SAID COVER, A RIGID FOAMED CELLULAR MATERIAL SELECTIVELY LOCATED WITHIN SAID CAVITY FOR ACOUSTICALLY ISOLATING SAID ELEMENTS TO IMPROVE THE FREQUENCY RESPONSE
Claim 2
Dependent Claim
53 words
A TRANSDUCER COMPRISING A BASE, A COVER MOUNTED TO SAID BASE THEREBY FORMING AN ENCLOSED CAVITY, A PLURALITY OF ELECTROMECHANICALLY-RESPONSIVE CERAMIC ELEMENTS MOUNTED IN SAID CAVITY AND IN PRESSURE-TRANSMITTING RELATION WITH SAID COVER, A RIGID FOAMED CELLULAR MATERIAL SELECTIVELY LOCATED WITHIN SAID CAVITY FOR ACOUSTICALLY ISOLATING SAID ELEMENTS TO IMPROVE THE FREQUENCY RESPONSE
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |