US3069672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor starting noise measuring cirucit
Assignee: Westinghouse Electric Corp
•
Filing: 1958-06-10
•
Granted: 1962-12-18
•
Expires: 1978-06-10
Abstract
No abstract record available.
Inventors
- 👤 Frank J Rau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:31
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1907415A
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US2340714A
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US2480607A
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US2635746A
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US2866301A
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US2799015A
Cited
US2820361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |