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US2813252A
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Magnetic shunt structure for induction meters
Assignee: Westinghouse Electric Corp
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Filing: 1950-03-30
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Granted: 1957-11-12
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Expires: 1970-03-30
Abstract
No abstract record available.
Inventors
- 👤 Richard M Leippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:41
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/02; G01R11/17; G01R11/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE480414C
Cited
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US1750259A
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US1826447A
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US1856554A
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GB353561A
Cited
GB396917A
Cited
DE690693C
Cited
US2177274A
Cited
GB640400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |