CA190899A - Drill coupling - Google Patents

Drill coupling

Info

Publication number: CA190899A
Authority: CA; Canada
Prior art keywords: drill coupling; drill; coupling
Prior art date: 1918-12-16
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

CA000190899A

Other languages

French (fr)

Inventor

William H. Brunson

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.)

1918-12-16

Filing date

1918-12-16

Publication date

1919-06-17

1918-12-16 Application filed by Individual filed Critical Individual

1919-06-17 Application granted granted Critical

1919-06-17 Publication of CA190899A publication Critical patent/CA190899A/en

Status Expired legal-status Critical Current

Links

230000008878 coupling Effects 0.000 title 1
238000010168 coupling process Methods 0.000 title 1
238000005859 coupling reaction Methods 0.000 title 1

CA000190899A 1918-12-16 1918-12-16 Drill coupling Expired CA190899A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA190899T		1918-12-16

Publications (1)

Publication Number	Publication Date
CA190899A true CA190899A (en)	1919-06-17

Family

ID=45310550

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000190899A Expired CA190899A (en)	1918-12-16	1918-12-16	Drill coupling

Country Status (1)

Country	Link
CA (1)	CA190899A (en)

1918
- 1918-12-16 CA CA000190899A patent/CA190899A/en not_active Expired

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