NL38990B - - Google Patents

Info

Publication number: NL38990B
Authority: NL; Netherlands

Application number

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.)

1927-05-16

Publication of NL38990B publication Critical patent/NL38990B/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H9/042—Explosion-proof cases
- H01H9/045—Explosion-proof cases with interlocking mechanism between cover and operating mechanism
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H9/042—Explosion-proof cases
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts

NL38990D 1927-05-16 NL38990B (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE290595T		1927-05-16

Publications (1)

Publication Number	Publication Date
NL38990B true NL38990B (enrdf_load_html_response)

Family

ID=31893975

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL38990D NL38990B (enrdf_load_html_response)	1927-05-16

Country Status (4)

Country	Link
BE (1)	BE346136A (enrdf_load_html_response)
FR (1)	FR643859A (enrdf_load_html_response)
GB (1)	GB290595A (enrdf_load_html_response)
NL (1)	NL38990B (enrdf_load_html_response)

0
- NL NL38990D patent/NL38990B/xx unknown
- BE BE346136D patent/BE346136A/xx unknown
1927
- 1927-11-15 FR FR643859D patent/FR643859A/fr not_active Expired
1928
- 1928-03-12 GB GB7616/28A patent/GB290595A/en not_active Expired

Also Published As

Publication number	Publication date
FR643859A (fr)	1928-09-25
GB290595A (enrdf_load_html_response)	1928-11-15
BE346136A (enrdf_load_html_response)

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