CA20335A - Fabrication des electrodes de charbon ou crayons pour l'eclairage electrique - Google Patents

Fabrication des electrodes de charbon ou crayons pour l'eclairage electrique

Info

Publication number: CA20335A
Authority: CA; Canada
Prior art keywords: pencils; manufacture; carbon electrodes; electric illumination; illumination
Prior art date: 1884-10-06
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

CA000020335A

Other languages

English (en)

Inventor

John A. Moffitt

James G. Foster

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

Publication date

1884-10-06

1884-10-06 Application granted granted Critical

1884-10-06 Publication of CA20335A publication Critical patent/CA20335A/fr

Status Expired legal-status Critical Current

Links

238000005286 illumination Methods 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title 1

CA000020335A Fabrication des electrodes de charbon ou crayons pour l'eclairage electrique Expired CA20335A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA20335T

Publications (1)

Publication Number	Publication Date
CA20335A true CA20335A (fr)	1884-10-06

Family

ID=45136878

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000020335A Expired CA20335A (fr)			Fabrication des electrodes de charbon ou crayons pour l'eclairage electrique

Country Status (1)

Country	Link
CA (1)	CA20335A (fr)

0
- CA CA000020335A patent/CA20335A/fr not_active Expired

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