AU582140B2 - Mine roof supporting truss system - Google Patents

Mine roof supporting truss system

Info

Publication number: AU582140B2
Authority: AU; Australia
Prior art keywords: mine roof; roof supporting; truss system; supporting truss; mine
Prior art date: 1984-08-22
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.): Ceased

Application number

AU39065/85A

Other versions

AU3906585A (en

Inventor

Jerry Frease

Robert W. Hill

Gary D. Tyrell

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.)

Excel Mining Systems Inc

Original Assignee

Eastern Co

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.)

1984-08-22

Filing date

1985-02-22

Publication date

1989-03-16

1984-08-22 Priority claimed from US06/643,042 external-priority patent/US4596496A/en

1985-02-22 Application filed by Eastern Co filed Critical Eastern Co

1986-02-27 Publication of AU3906585A publication Critical patent/AU3906585A/en

1989-03-16 Application granted granted Critical

1989-03-16 Publication of AU582140B2 publication Critical patent/AU582140B2/en

1996-07-18 Assigned to EXCEL MINING SYSTEMS, INC. reassignment EXCEL MINING SYSTEMS, INC. Alteration of Name(s) in Register under S187 Assignors: BIRMINGHAM BOLT COMPANY INC.

2005-02-22 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

Links

AU39065/85A 1984-08-22 1985-02-22 Mine roof supporting truss system Ceased AU582140B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US643042		1984-08-22
US06/643,042 US4596496A (en)	1983-09-29	1984-08-22	Mine roof supporting truss system

Publications (2)

Publication Number	Publication Date
AU3906585A AU3906585A (en)	1986-02-27
AU582140B2 true AU582140B2 (en)	1989-03-16

Family

ID=24579122

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU39065/85A Ceased AU582140B2 (en)	1984-08-22	1985-02-22	Mine roof supporting truss system

Country Status (1)

Country	Link
AU (1)	AU582140B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4749310A (en) *	1986-09-30	1988-06-07	Birmingham Bolt Company, Inc.	Mine roof truss
US5836720A (en) *	1996-06-03	1998-11-17	Jennmar Corporation	Mine roof support system
AU707785B2 (en) *	1996-06-03	1999-07-22	Fci Holdings Delaware, Inc.	A mine roof support plate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU2857267A (en) *	1967-03-22	1969-04-24	C. White Claude	Roof support of underground mines and openings
US4395161A (en) *	1981-11-19	1983-07-26	Bethlehem Steel Corporation	Transition plate for a mine roof truss

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3509726A (en) *	1969-06-25	1970-05-05	Claude C White	Roof support for underground mines and openings

1985
- 1985-02-22 AU AU39065/85A patent/AU582140B2/en not_active Ceased

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU2857267A (en) *	1967-03-22	1969-04-24	C. White Claude	Roof support of underground mines and openings
AU6401969A (en) *	1969-06-25	1971-05-20	Carlos White Claude	Roof support for underground mines and openings
US4395161A (en) *	1981-11-19	1983-07-26	Bethlehem Steel Corporation	Transition plate for a mine roof truss

Also Published As

Publication number	Publication date
AU3906585A (en)	1986-02-27

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Legal Events

Date	Code	Title	Description
2001-09-20	MK14	Patent ceased section 143(a) (annual fees not paid) or expired