US3044734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control reversal sensor
Assignee: TDK Micronas GmbH
•
Filing: 1958-11-10
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Granted: 1962-07-17
•
Expires: 1978-11-10
Abstract
No abstract record available.
Inventors
- 👤 Robert J Heppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:40
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1559642A
Cited
US1645618A
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US2241615A
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US2543077A
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US2773252A
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US2747141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |