CA669A - Improvements in expansion drills - Google Patents

Improvements in expansion drills

Info

Publication number: CA669A
Authority: CA; Canada
Prior art keywords: drills; expansion; expansion drills
Prior art date: 1870-10-22
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

CA000000669A

Inventor

J. Leyden

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

1870-10-22

1870-10-22 Application granted granted Critical

1870-10-22 Publication of CA669A publication Critical patent/CA669A/en

Status Expired legal-status Critical Current

Links

CA000000669A Improvements in expansion drills Expired CA669A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA669T

Publications (1)

Publication Number	Publication Date
CA669A true CA669A (en)	1870-10-22

Family

ID=45117244

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000000669A Expired CA669A (en)			Improvements in expansion drills

Country Status (1)

Country	Link
CA (1)	CA669A (en)

0
- CA CA000000669A patent/CA669A/en not_active Expired

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