US2752558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric transducer
Assignee: Individual
•
Filing: 1953-04-22
•
Granted: 1956-06-26
•
Expires: 1973-04-22
Abstract
No abstract record available.
Inventors
- 👤 Ernest M Kane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:42
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/12; G01L; G01L1/00; G01L1/20; G01L9/00; G01L9/0001; G01L9/0002; G01L9/0041; G01L9/0051; G01L9/0057; G01L9/0058
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) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |