US3706057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single or multipole push button actuated excess current switch having thermal and/or electromagnetic trip
Assignee: Ellenberger and Poensgen GmbH
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Filing: 1971-12-29
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Granted: 1972-12-12
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Expires: 1991-12-29
Abstract
Abstract A SINGLE OR MULTIPLE PUSH BOTTON ACTUATED EXCESS CURRENT SWITCH HAVING A THERMAL AND/OR ELECTROMGANETIC TRIP. IN THIS SWITCH THE PUSH BUTTON IS CONNECTED TO A CONTACT BRIDGE BY MEANS OF A LEVER ARRANGEMENT. THE LEVER CONNECTED TO THE CONTACT BRIDE IS PIVOTED ABOUT A PIN WHIH IS MOVEABLE IN A GROOVE. THIS GROOVE IS PROVIDED WITH A DETENT WHICH IS ENGAGED BY THE PIN DURING SWITCHING ON. THE LEVER CONNECTED TO THE CONTACT BRIDGE IS PROVIDED WITH A PROTUBERANCE WHICH CO-OPERATES WITH A STOP ON THE HOUSING OF THE SWITCH TO RAISE THE PIN TO DISENGAGE FROM THE DETENT TO THEREBY CAUSE INSTANTANEOUS SWITCHING ON OF THE SWITCH.
Inventors
- 👤 Jakob Ellenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:24
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/58; H01H71/12; H01H71/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |