US2940306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic transducer accelerometer
Assignee: AT&T Inc
•
Filing: 1956-12-28
•
Granted: 1960-06-14
•
Expires: 1976-12-28
Abstract
No abstract record available.
Inventors
- 👤 John C Lozier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:58
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/28; H03M1/287; H03M1/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1948104A
Cited
US2049129A
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US2447863A
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US2498997A
Cited
US2696566A
Cited
US2660062A
Cited
US2846207A
Cited
US2819052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |