CA1311652C - Pointe de semis ou fertilisation du sol - Google Patents

Pointe de semis ou fertilisation du sol

Info

Publication number: CA1311652C
Authority: CA; Canada
Prior art keywords: tip; edge; wings; upwardly; point
Prior art date: 1987-07-13
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 - Fee Related

Application number

CA000571361A

Other languages

English (en)

Inventor

Forrest E. Robertson

Donald E. Williams

Robert A. Williams

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.)

ACRA-PLANT Inc

Original Assignee

ACRA-PLANT, INC.

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.)

1987-07-13

Filing date

1988-07-07

Publication date

1992-12-22

1988-07-07 Application filed by ACRA-PLANT, INC. filed Critical ACRA-PLANT, INC.

1992-12-22 Application granted granted Critical

1992-12-22 Publication of CA1311652C publication Critical patent/CA1311652C/fr

2009-12-22 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000002689 soil Substances 0.000 title claims abstract description 31
239000003337 fertilizer Substances 0.000 title abstract description 7
230000035515 penetration Effects 0.000 abstract description 2
230000000149 penetrating effect Effects 0.000 description 3
230000009286 beneficial effect Effects 0.000 description 1
238000005265 energy consumption Methods 0.000 description 1
239000000417 fungicide Substances 0.000 description 1
239000004009 herbicide Substances 0.000 description 1
238000009434 installation Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
235000015097 nutrients Nutrition 0.000 description 1
230000000750 progressive effect Effects 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
238000007493 shaping process Methods 0.000 description 1

Landscapes

Soil Working Implements (AREA)
Sowing (AREA)

CA000571361A 1987-07-13 1988-07-07 Pointe de semis ou fertilisation du sol Expired - Fee Related CA1311652C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US7279887A	1987-07-13	1987-07-13
US072,798		1987-07-13

Publications (1)

Publication Number	Publication Date
CA1311652C true CA1311652C (fr)	1992-12-22

Family

ID=22109820

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000571361A Expired - Fee Related CA1311652C (fr)	1987-07-13	1988-07-07	Pointe de semis ou fertilisation du sol

Country Status (2)

Country	Link
AU (1)	AU612666B2 (fr)
CA (1)	CA1311652C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU2011202522B2 (en) *	2003-04-17	2012-03-22	Glenmar Holdings Pty Ltd	Improved planter point

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU685195B2 (en) *	1993-12-23	1998-01-15	Pegasus Technologies Pty Ltd	Soil working tool

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4033271A (en) *	1974-11-04	1977-07-05	Acra-Plant, Inc.	Apparatus for subsoil application
US4446927A (en) *	1982-03-01	1984-05-08	Acra-Plant, Inc.	Ground penetrating tool for farm implement shanks

1988
- 1988-07-07 CA CA000571361A patent/CA1311652C/fr not_active Expired - Fee Related
- 1988-07-12 AU AU19021/88A patent/AU612666B2/en not_active Ceased

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU2011202522B2 (en) *	2003-04-17	2012-03-22	Glenmar Holdings Pty Ltd	Improved planter point

Also Published As

Publication number	Publication date
AU1902188A (en)	1989-01-19
AU612666B2 (en)	1991-07-18

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Legal Events

Date	Code	Title	Description
1999-12-22	MKLA	Lapsed