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US3470470A
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US
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Multiple-track magnetic pulse recording of related quantities
Assignee: Westinghouse Electric Corp
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Filing: 1963-08-12
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Granted: 1969-09-30
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Carl J Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:36
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/12; G01R; G01R13/00; G01R13/04; G01R13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2185038A
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US2755020A
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US2986722A
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US2989697A
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US3059239A
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US3230516A
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US3072888A
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US3114900A
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US3263159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |