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"Switch Unit And Switchgear Equipped Therewith"
Abstract: In order to improve cooling performance of a switch unit or switchgear equipped with the switch unit, the switch unit (46) includes a switch (26) having a movable electrode (17) and a fixed electrode (16) and is casted as one body with a resin (2), the resin is provided with resin fins (1, 41), and the thickness of the resin fin is changed so that the resin fin has a thickness sloped in the longitudinal direction of the resin fin. (Selected Drawing) Fig. 1
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
22 November 2011
Publication Number
05/2013
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2018-06-22
Renewal Date
Applicants
HITACHI LTD.
6-6, MARUNOUCHI 1-CHOME, CHIYODA-KU, TOKYO 100-8280, JAPAN.
Inventors
1. YAMAZAKI MIKI
C/O HITACHI, LTD., INTELLECTUAL PROPERTY GROUP, 12TH FLOOR, MARUNOUCHI CENTER BUILDING, 6-1, MARUNOUCHI 1-CHOME, CHIYODA-KU, TOKYO 100-8220, JAPAN
2. TSUCHIYA KENJI
C/O HITACHI, LTD., INTELLECTUAL PROPERTY GROUP, 12TH FLOOR, MARUNOUCHI CENTER BUILDING, 6-1, MARUNOUCHI 1-CHOME, CHIYODA-KU, TOKYO 100-8220, JAPAN
3. MORITA AYUMU
C/O HITACHI, LTD., INTELLECTUAL PROPERTY GROUP, 12TH FLOOR, MARUNOUCHI CENTER BUILDING, 6-1, MARUNOUCHI 1-CHOME, CHIYODA-KU, TOKYO 100-8220, JAPAN
4. UTSUMI TOMOAKI
C/O HITACHI, LTD., INTELLECTUAL PROPERTY GROUP, 12TH FLOOR, MARUNOUCHI CENTER BUILDING, 6-1, MARUNOUCHI 1-CHOME, CHIYODA-KU, TOKYO 100-8220, JAPAN
Specification
NA
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 3331-del-2011-GPA-(29-12-2011).pdf | 2011-12-29 |
| 2 | 3331-del-2011-Correspondence-others-(29-12-2011).pdf | 2011-12-29 |
| 3 | 3331-del-2011-Form-3-(27-03-2012).pdf | 2012-03-27 |
| 4 | 3331-del-2011-Correspondence-others-(27-03-2012).pdf | 2012-03-27 |
| 5 | Abstract.jpg | 2012-06-03 |
| 6 | 3331-del-2011-Form-5.pdf | 2012-06-03 |
| 7 | 3331-del-2011-Form-3.pdf | 2012-06-03 |
| 8 | 3331-del-2011-Form-2.pdf | 2012-06-03 |
| 9 | 3331-del-2011-Form-18.pdf | 2012-06-03 |
| 10 | 3331-del-2011-Form-1.pdf | 2012-06-03 |
| 11 | 3331-del-2011-Drawings.pdf | 2012-06-03 |
| 12 | 3331-del-2011-Description (Complete).pdf | 2012-06-03 |
| 13 | 3331-del-2011-Correspondence Others.pdf | 2012-06-03 |
| 14 | 3331-del-2011-Claims.pdf | 2012-06-03 |
| 15 | 3331-del-2011-Abstract.pdf | 2012-06-03 |
| 16 | Power of Attorney [25-03-2017(online)].pdf | 2017-03-25 |
| 17 | Form 6 [25-03-2017(online)].pdf | 2017-03-25 |
| 18 | Assignment [25-03-2017(online)].pdf | 2017-03-25 |
| 19 | 3331-DEL-2011-Power of Attorney-300317.pdf | 2017-04-01 |
| 20 | 3331-DEL-2011-OTHERS-300317.pdf | 2017-04-01 |
| 21 | 3331-DEL-2011-Correspondence-300317.pdf | 2017-04-01 |
| 22 | 3331-DEL-2011-FER.pdf | 2017-10-10 |
| 23 | 3331-DEL-2011-Proof of Right (MANDATORY) [09-04-2018(online)].pdf | 2018-04-09 |
| 24 | 3331-DEL-2011-PETITION UNDER RULE 137 [09-04-2018(online)].pdf | 2018-04-09 |
| 25 | 3331-DEL-2011-OTHERS [09-04-2018(online)]_47.pdf | 2018-04-09 |
| 26 | 3331-DEL-2011-OTHERS [09-04-2018(online)].pdf | 2018-04-09 |
| 27 | 3331-DEL-2011-MARKED COPIES OF AMENDEMENTS [09-04-2018(online)].pdf | 2018-04-09 |
| 28 | 3331-DEL-2011-Information under section 8(2) (MANDATORY) [09-04-2018(online)].pdf | 2018-04-09 |
| 29 | 3331-DEL-2011-FORM 3 [09-04-2018(online)].pdf | 2018-04-09 |
| 30 | 3331-DEL-2011-FER_SER_REPLY [09-04-2018(online)].pdf | 2018-04-09 |
| 31 | 3331-DEL-2011-COMPLETE SPECIFICATION [09-04-2018(online)]_91.pdf | 2018-04-09 |
| 32 | 3331-DEL-2011-COMPLETE SPECIFICATION [09-04-2018(online)].pdf | 2018-04-09 |
| 33 | 3331-DEL-2011-CLAIMS [09-04-2018(online)]_85.pdf | 2018-04-09 |
| 34 | 3331-DEL-2011-CLAIMS [09-04-2018(online)].pdf | 2018-04-09 |
| 35 | 3331-DEL-2011-AMMENDED DOCUMENTS [09-04-2018(online)].pdf | 2018-04-09 |
| 36 | 3331-DEL-2011-Amendment Of Application Before Grant - Form 13 [09-04-2018(online)].pdf | 2018-04-09 |
| 37 | 3331-DEL-2011-ABSTRACT [09-04-2018(online)]_89.pdf | 2018-04-09 |
| 38 | 3331-DEL-2011-ABSTRACT [09-04-2018(online)].pdf | 2018-04-09 |
| 39 | 3331-DEL-2011-Power of Attorney-110418.pdf | 2018-04-18 |
| 40 | 3331-DEL-2011-OTHERS-110418.pdf | 2018-04-18 |
| 41 | 3331-DEL-2011-Correspondence-110418.pdf | 2018-04-18 |
| 42 | 3331-DEL-2011-Correspondence-110418-.pdf | 2018-04-18 |
| 43 | 3331-DEL-2011-PatentCertificate22-06-2018.pdf | 2018-06-22 |
| 44 | 3331-DEL-2011-IntimationOfGrant22-06-2018.pdf | 2018-06-22 |
| 45 | 3331-DEL-2011-RELEVANT DOCUMENTS [07-03-2019(online)].pdf | 2019-03-07 |
| 46 | 3331-DEL-2011-RELEVANT DOCUMENTS [09-03-2020(online)].pdf | 2020-03-09 |
Search Strategy
| 1 | searchstrategy_31-07-2017.pdf |