CA21A - Improvements in filtering machines - Google Patents

Improvements in filtering machines

Info

Publication number: CA21A
Authority: CA; Canada
Prior art keywords: filtering machines; machines; filtering
Prior art date: 1869-08-25
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

CA000000021A

Inventor

J.W. Decastro

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

1869-08-25

1869-08-25 Application granted granted Critical

1869-08-25 Publication of CA21A publication Critical patent/CA21A/en

Status Expired legal-status Critical Current

Links

238000001914 filtration Methods 0.000 title 1

CA000000021A Improvements in filtering machines Expired CA21A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA21T

Publications (1)

Publication Number	Publication Date
CA21A true CA21A (en)	1869-08-25

Family

ID=45116595

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000000021A Expired CA21A (en)			Improvements in filtering machines

Country Status (1)

Country	Link
CA (1)	CA21A (en)

0
- CA CA000000021A patent/CA21A/en not_active Expired

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