Patent US3486479A successfully refreshed from Google Patents.
US3486479A
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Magnetic indicator of angular movement of a rotary body
Assignee: Inventio AG
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Filing: 1966-10-14
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Granted: 1969-12-30
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Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Johann G Hartmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:45
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/10; H02K49/102; F; F04; F04D; F04D15/00; F04D15/0094; G; G01; G01P; G01P13/00; H01; H01H; H01H9/00; H01H9/16; H02K5/00; H02K5/04; H02K5/12; H02K5/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |