US2625663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer
Assignee: GULTON Manufacturing CORP
•
Filing: 1948-05-08
•
Granted: 1953-01-13
•
Expires: 1968-05-08
Abstract
No abstract record available.
Inventors
- 👤 Glenn N Howatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:20
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/04; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T29/00; Y10T29/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A TRANSDUCER COMPRISING A HOLLOW CYLINDRICAL TITANATE CERAMIC ELEMENT, END CHARGING ELECTRODES THEREON, INNER AND OUTER SIGNAL ELECTRODES, A SUPPORT SECURED TO ONE END ELECTRODE AND A VIBRATION CONDUCTING MEMBER SECURED TO THE OTHER END ELECTRODE.
Claim 2
Dependent Claim
36 words
A TRANSDUCER COMPRISING A HOLLOW CYLINDRICAL TITANATE CERAMIC ELEMENT, END CHARGING ELECTRODES THEREON, INNER AND OUTER SIGNAL ELECTRODES, A SUPPORT SECURED TO ONE END ELECTRODE AND A VIBRATION CONDUCTING MEMBER SECURED TO THE OTHER END ELECTRODE.
References Cited (Backward Citations)
US2387472A
Cited
US2486560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |