Patent US3289065A successfully refreshed from Google Patents.
US3289065A
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Extreme value switching device
Assignee: VARTA DEUTSCHE EDISON AKKUMULA
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Filing: 1963-11-14
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Granted: 1966-11-29
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Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Dehmelt Klaus
- 👤 Strasen Guenter
- 👤 Graeber Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:38
CPC Classifications
G; G05; G05B; G05B13/00; G05B13/02; G05B13/0205; G05B13/021; G05B13/0215; H; H02; H02J; H02J7/00; H02J7/60; H02J7/663; H02J7/90; H02J7/96; H03; H03K; H03K5/00; H03K5/153; H03K5/1532
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
37 words
AN ELECTRICAL SWITCHING DEVICE WHICH EFFECTS A SWITCHING OPERATION AS SOON AS THE INPUT VOLTAGE HAS TRAVERSED AN EXTREME VALUE, CHARACTERIZED BY THE FEATURE, THAT IT CONSISTS OF THE SERIES CONNECTION OF A CONDENSER AND A DIODE
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |