US2946904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic transducer arrangement for sending and receiving
Assignee: Realisations Ultrasoniques SA
•
Filing: 1957-03-11
•
Granted: 1960-07-26
•
Expires: 1977-03-11
Abstract
No abstract record available.
Inventors
- 👤 Renaut Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:25
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/24; G01N29/2437; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0622; B06B1/0629; G01N2291/00; G01N2291/04; G01N2291/042; G01N2291/0426; G01N2291/10; G01N2291/106
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1990882A
Cited
US2284088A
Cited
US2497680A
Cited
US2415832A
Cited
US2420864A
Cited
US2589403A
Cited
US2484626A
Cited
US2486560A
Cited
US2628335A
Cited
US2784325A
Cited
US2810082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |