GB9424039D0 - Electrical switchgear - Google Patents

Electrical switchgear

Info

Publication number
GB9424039D0
GB9424039D0 GB9424039A GB9424039A GB9424039D0 GB 9424039 D0 GB9424039 D0 GB 9424039D0 GB 9424039 A GB9424039 A GB 9424039A GB 9424039 A GB9424039 A GB 9424039A GB 9424039 D0 GB9424039 D0 GB 9424039D0
Authority
GB
United Kingdom
Prior art keywords
electrical switchgear
switchgear
electrical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB9424039A
Other versions
GB2284307A (en
GB2284307B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Long and Crawford Ltd
Original Assignee
Long and Crawford Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Long and Crawford Ltd filed Critical Long and Crawford Ltd
Publication of GB9424039D0 publication Critical patent/GB9424039D0/en
Publication of GB2284307A publication Critical patent/GB2284307A/en
Application granted granted Critical
Publication of GB2284307B publication Critical patent/GB2284307B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
GB9424039A 1993-11-30 1994-11-29 Electrical switchgear Expired - Fee Related GB2284307B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939324582A GB9324582D0 (en) 1993-11-30 1993-11-30 Electrical switchgear

Publications (3)

Publication Number Publication Date
GB9424039D0 true GB9424039D0 (en) 1995-01-18
GB2284307A GB2284307A (en) 1995-05-31
GB2284307B GB2284307B (en) 1997-10-22

Family

ID=10745919

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939324582A Pending GB9324582D0 (en) 1993-11-30 1993-11-30 Electrical switchgear
GB9424039A Expired - Fee Related GB2284307B (en) 1993-11-30 1994-11-29 Electrical switchgear

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939324582A Pending GB9324582D0 (en) 1993-11-30 1993-11-30 Electrical switchgear

Country Status (6)

Country Link
EP (1) EP0655759A3 (en)
AU (1) AU673631B2 (en)
GB (2) GB9324582D0 (en)
NO (1) NO944566L (en)
NZ (1) NZ270010A (en)
ZA (1) ZA949411B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4841875B2 (en) * 2005-06-29 2011-12-21 株式会社日立製作所 Vacuum insulated switchgear
US7902480B2 (en) 2007-06-13 2011-03-08 Hitachi, Ltd. Vacuum insulated switchgear

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE382647A (en) *
NL154039B (en) * 1974-06-07 1977-07-15 Hazemeijer Bv ELECTRICAL SWITCH EQUIPPED WITH A FIRE CONTACT.
FR2650434B1 (en) * 1989-07-26 1995-11-24 Merlin Gerin LOW VOLTAGE CIRCUIT BREAKER WITH MULTIPLE CONTACTS AND HIGH CURRENTS
GB2260027A (en) * 1991-09-30 1993-03-31 Long & Crawford Limited Electrical switchgear

Also Published As

Publication number Publication date
ZA949411B (en) 1995-08-14
GB9324582D0 (en) 1994-01-19
NO944566L (en) 1995-05-31
EP0655759A3 (en) 1997-06-11
NO944566D0 (en) 1994-11-29
AU673631B2 (en) 1996-11-14
NZ270010A (en) 1996-12-20
GB2284307A (en) 1995-05-31
AU7911394A (en) 1995-06-08
GB2284307B (en) 1997-10-22
EP0655759A2 (en) 1995-05-31

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Legal Events

Date Code Title Description
727 Application made for amendment of specification (sect. 27/1977)
727A Application for amendment of specification now open to opposition (sect. 27/1977)
727B Case decided by the comptroller ** specification amended (sect. 27/1977)
PCNP Patent ceased through non-payment of renewal fee