US3215798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronous-type circuit interrupter with synchronous-operating holding magnet for latching interrupter in closed position
Assignee: Siemens Schuckertwerke AG
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Filing: 1963-04-30
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Granted: 1965-11-02
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Kesselring Fritz
- 👤 Leisi Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:59
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A SYNCHRONOUS-TYPE CIRCUIT INTERRUPTER INCLUDING A PAIR OF SEPARABLE CONTACTS FOR INTERRUPTER A MAIN CURRENT, MEANS BIASING SAID PAIR OF SEPARBLE CONTACTS TO THE OPENCIRCUIT POSITION, LATCHING MEANS FOR MAINTAINING SAID CONTACTS IN ENGAGED POSITION AGAINST THE BIAS EXERTED BY SAID BIASING MEANS, RELEASING MEANS TO EFFECT RELEASE OF SAID LATCHING MEANS INCLUDING A HOLDING MAGNET, FLUX-PRODUCING MEANS FOR SAID HOLDING MAGNET INCLUDING FIRST AND SECOND MAGNETIC SYSTEMS FOR PRODUCTING TWO COMPONENT FLUXES, SAID FIRST AND SECOND MAGNETIC SYSTEMS BEING EXCITED FROM SAID MAINT CURRENT, SIAD FIRST MAGNETIC SYSTEM HAVING AN AIR GAP AND PRODUCING AN INDUCRED, FLUX-GENERATING CURRENT FOR THE HOLDING MAGNET WHICH IS APPROXIMATELY 90* OUT OF PHASE WITH THE EXCITING MAIN CURRENT, SAID SECOND MAG-
Claim 2
Dependent Claim
118 words
A SYNCHRONOUS-TYPE CIRCUIT INTERRUPTER INCLUDING A PAIR OF SEPARABLE CONTACTS FOR INTERRUPTER A MAIN CURRENT, MEANS BIASING SAID PAIR OF SEPARBLE CONTACTS TO THE OPENCIRCUIT POSITION, LATCHING MEANS FOR MAINTAINING SAID CONTACTS IN ENGAGED POSITION AGAINST THE BIAS EXERTED BY SAID BIASING MEANS, RELEASING MEANS TO EFFECT RELEASE OF SAID LATCHING MEANS INCLUDING A HOLDING MAGNET, FLUX-PRODUCING MEANS FOR SAID HOLDING MAGNET INCLUDING FIRST AND SECOND MAGNETIC SYSTEMS FOR PRODUCTING TWO COMPONENT FLUXES, SAID FIRST AND SECOND MAGNETIC SYSTEMS BEING EXCITED FROM SAID MAINT CURRENT, SIAD FIRST MAGNETIC SYSTEM HAVING AN AIR GAP AND PRODUCING AN INDUCRED, FLUX-GENERATING CURRENT FOR THE HOLDING MAGNET WHICH IS APPROXIMATELY 90* OUT OF PHASE WITH THE EXCITING MAIN CURRENT, SAID SECOND MAG-
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |