US2946981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic transducers for fluid mediums
Assignee: Bendix Aviation Corp
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Filing: 1956-01-03
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Granted: 1960-07-26
•
Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 James P O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/26; B; B06; B06B; B06B3/00; G03G15/00; G03G15/20; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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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) | 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 |