GB308611A - Improvements in and relating to vacuum switches - Google Patents

Improvements in and relating to vacuum switches

Info

Publication number: GB308611A
Authority: GB; United Kingdom
Prior art keywords: relating; vacuum switches; switches; vacuum
Prior art date: 1928-03-23
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.): Expired

Application number

GB9350/29A

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.)

British Thomson Houston Co Ltd

Original Assignee

British Thomson Houston Co 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.)

1928-03-23

Filing date

1929-03-22

Publication date

1930-07-22

1928-03-23 Priority claimed from US264116A external-priority patent/US1865274A/en

1928-03-23 Priority claimed from US264115A external-priority patent/US1892538A/en

1929-03-22 Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd

1930-07-22 Publication of GB308611A publication Critical patent/GB308611A/en

Status Expired legal-status Critical Current

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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches

GB9350/29A 1928-03-23 1929-03-22 Improvements in and relating to vacuum switches Expired GB308611A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US264116A US1865274A (en)	1928-03-23	1928-03-23	Circuit interrupter
US264115A US1892538A (en)	1928-03-23	1928-03-23	Vacuum switch
US314352XA	1928-06-25	1928-06-25

Publications (1)

Publication Number	Publication Date
GB308611A true GB308611A (en)	1930-07-22

Family

ID=31950480

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
GB9350/29A Expired GB308611A (en)	1928-03-23	1929-03-22	Improvements in and relating to vacuum switches
GB9586/29A Expired GB308654A (en)	1928-03-23	1929-03-25	Improvements in and relating to electric circuit interrupters
GB19514/29A Expired GB314352A (en)	1928-03-23	1929-06-25	Improvements in and relating to vacuum switches

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
GB9586/29A Expired GB308654A (en)	1928-03-23	1929-03-25	Improvements in and relating to electric circuit interrupters
GB19514/29A Expired GB314352A (en)	1928-03-23	1929-06-25	Improvements in and relating to vacuum switches

Country Status (2)

Country	Link
DE (2)	DE552593C (en)
GB (3)	GB308611A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2920169A (en) *	1957-02-11	1960-01-05	Jennings Radio Mfg Corp	Vacuumized electric switch
US2966569A (en) *	1957-04-29	1960-12-27	Jennings Radio Mfg Corp	Vacuum switch

1929
- 1929-03-21 DE DEA57194D patent/DE552593C/en not_active Expired
- 1929-03-22 GB GB9350/29A patent/GB308611A/en not_active Expired
- 1929-03-22 DE DEA57240D patent/DE578577C/en not_active Expired
- 1929-03-25 GB GB9586/29A patent/GB308654A/en not_active Expired
- 1929-06-25 GB GB19514/29A patent/GB314352A/en not_active Expired

Also Published As

Publication number	Publication date
DE578577C (en)	1933-06-15
GB308654A (en)	1930-08-25
DE552593C (en)	1932-06-15
GB314352A (en)	1930-08-21

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