CA61813A - Appareil pour creuser et degeler la terre - Google Patents

Appareil pour creuser et degeler la terre

Info

Publication number: CA61813A
Authority: CA; Canada
Prior art keywords: penetrating; frozen ground; softening; softening frozen; ground
Prior art date: 1898-06-22
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

CA000061813A

Other languages

English (en)

Inventor

Frederick Petersen

Joseph Mcgillivray

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.)

1898-06-22

Filing date

1898-06-22

Publication date

1898-11-22

1898-06-22 Application filed by Individual filed Critical Individual

1898-11-22 Application granted granted Critical

1898-11-22 Publication of CA61813A publication Critical patent/CA61813A/fr

Status Expired legal-status Critical Current

Links

230000000149 penetrating effect Effects 0.000 title 1

CA000061813A 1898-06-22 1898-06-22 Appareil pour creuser et degeler la terre Expired CA61813A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA61813T		1898-06-22

Publications (1)

Publication Number	Publication Date
CA61813A true CA61813A (fr)	1898-11-22

Family

ID=45178351

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000061813A Expired CA61813A (fr)	1898-06-22	1898-06-22	Appareil pour creuser et degeler la terre

Country Status (1)

Country	Link
CA (1)	CA61813A (fr)

1898
- 1898-06-22 CA CA000061813A patent/CA61813A/fr not_active Expired

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