NL250928A - - Google Patents

Info

Publication number: NL250928A
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.)

1959-04-28

Publication of NL250928A publication Critical patent/NL250928A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

NL250928D 1959-04-28 NL250928A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR793407A FR1238269A (fr)	1959-04-28	1959-04-28	Perfectionnement à la réfrigération de tubes électroniques

Publications (1)

Publication Number	Publication Date
NL250928A true NL250928A (enrdf_load_html_response)

Family

ID=8714248

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL130276D NL130276C (enrdf_load_html_response)	1959-04-28
NL250928D NL250928A (enrdf_load_html_response)	1959-04-28

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL130276D NL130276C (enrdf_load_html_response)	1959-04-28

Country Status (5)

Country	Link
CH (1)	CH367572A (enrdf_load_html_response)
DE (1)	DE1127495B (enrdf_load_html_response)
FR (1)	FR1238269A (enrdf_load_html_response)
GB (1)	GB940800A (enrdf_load_html_response)
NL (2)	NL250928A (enrdf_load_html_response)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2256757A (en) *	1939-11-04	1941-09-23	Allis Chalmers Mfg Co	Electrical valve control system

0
- NL NL130276D patent/NL130276C/xx active
- NL NL250928D patent/NL250928A/xx unknown
1959
- 1959-04-28 FR FR793407A patent/FR1238269A/fr not_active Expired
1960
- 1960-04-26 GB GB1459460A patent/GB940800A/en not_active Expired
- 1960-04-27 DE DEC21307A patent/DE1127495B/de active Pending
- 1960-04-27 CH CH476460A patent/CH367572A/fr unknown

Also Published As

Publication number	Publication date
DE1127495B (de)	1962-04-12
CH367572A (fr)	1963-02-28
FR1238269A (fr)	1960-08-12
NL130276C (enrdf_load_html_response)
GB940800A (en)	1963-11-06

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