US3394581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration measurement, protection, and calibration circuit
Assignee: General Electric Co
•
Filing: 1966-04-05
•
Granted: 1968-07-30
•
Expires: 1986-04-05
Abstract
No abstract record available.
Inventors
- 👤 Johnson Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:03
CPC Classifications
G; G01; G01H; G01H1/00; G01H1/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2305267A
Cited
US2796600A
Cited
US2987712A
Cited
US3044734A
Cited
US3252001A
Cited
US3308647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |