FR700637A - Improvements in the construction of mercury switches - Google Patents

Improvements in the construction of mercury switches

Info

Publication number
FR700637A
FR700637A FR700637DA FR700637A FR 700637 A FR700637 A FR 700637A FR 700637D A FR700637D A FR 700637DA FR 700637 A FR700637 A FR 700637A
Authority
FR
France
Prior art keywords
construction
mercury switches
mercury
switches
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Marcel Demontvignier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR700637A publication Critical patent/FR700637A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/02—Apparatus or processes specially adapted for the manufacture of electric switches for mercury switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR700637D 1930-08-13 1930-08-13 Improvements in the construction of mercury switches Expired FR700637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR700637T 1930-08-13

Publications (1)

Publication Number Publication Date
FR700637A true FR700637A (en) 1931-03-05

Family

ID=9051091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700637D Expired FR700637A (en) 1930-08-13 1930-08-13 Improvements in the construction of mercury switches

Country Status (1)

Country Link
FR (1) FR700637A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993026025A2 (en) * 1992-06-05 1993-12-23 Gustav Hahn Mercury-free position switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993026025A2 (en) * 1992-06-05 1993-12-23 Gustav Hahn Mercury-free position switch
WO1993026025A3 (en) * 1992-06-05 1994-03-17 Gustav Hahn Mercury-free position switch

Similar Documents

Publication Publication Date Title
FR725959A (en) Refrigeration improvements
FR702226A (en) Expansion switch
FR727880A (en) Mercury switch
FR700637A (en) Improvements in the construction of mercury switches
FR718399A (en) Mercury switch
FR712523A (en) Improvements in the manufacture of cements
FR708493A (en) Mercury switch
FR39793E (en) Improvements to mercury switches
FR40427E (en) Improvements in building construction
FR681935A (en) Improvements to mercury switches
FR719670A (en) Improvements in building construction
FR706639A (en) Improvements in the manufacture of espadrilles
FR662267A (en) Mercury breaker
FR687620A (en) Improvements in the manufacture of knives
FR696554A (en) Improvements in the construction of stereoscopes
FR722357A (en) Improvements in the construction of floors
FR706368A (en) Improvements in the construction of harpsichords
FR697274A (en) Improvements in sewer construction
FR717145A (en) Improvements in the manufacture of amidines
FR701461A (en) Improvements in the manufacture of soles
FR728536A (en) Improvements in building construction
FR711146A (en) Improvements in the construction of carburetors
FR706215A (en) Improvements in the construction of electrical machines
FR662308A (en) Mercury switches and contactors
FR708315A (en) Expansion switch