CA286508A - Porte de couloir a charbon - Google Patents

Porte de couloir a charbon

Info

Publication number: CA286508A
Authority: CA; Canada
Prior art keywords: coal chute; chute gate; gate; coal; chute
Prior art date: 1929-01-15
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

CA286508A

Other languages

English (en)

Inventor

Ellis Howlett William

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.)

HOWLETT CONSTRUCTION Co

Original Assignee

HOWLETT CONSTRUCTION Co

Publication date

1929-01-15

1929-01-15 Application granted granted Critical

1929-01-15 Publication of CA286508A publication Critical patent/CA286508A/fr

Status Expired legal-status Critical Current

Links

239000003245 coal Substances 0.000 title 1

CA286508A Porte de couloir a charbon Expired CA286508A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA286508T

Publications (1)

Publication Number	Publication Date
CA286508A true CA286508A (fr)	1929-01-15

Family

ID=35223320

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA286508A Expired CA286508A (fr)			Porte de couloir a charbon

Country Status (1)

Country	Link
CA (1)	CA286508A (fr)

0
- CA CA286508A patent/CA286508A/fr not_active Expired

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