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AU522150B2 - Screwdriver - Google Patents
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AU522150B2 - Screwdriver - Google Patents

Screwdriver

Info

Publication number
AU522150B2
AU522150B2 AU33796/78A AU3379678A AU522150B2 AU 522150 B2 AU522150 B2 AU 522150B2 AU 33796/78 A AU33796/78 A AU 33796/78A AU 3379678 A AU3379678 A AU 3379678A AU 522150 B2 AU522150 B2 AU 522150B2
Authority
AU
Australia
Prior art keywords
screwdriver
Prior art date
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
AU33796/78A
Other versions
AU3379678A (en
Inventor
A. Simmons Frederick
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.)
Phillips Screw Co
Original Assignee
Phillips Screw 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.)
Filing date
Publication date
Priority claimed from US05/505,324 external-priority patent/US4084478A/en
Application filed by Phillips Screw Co filed Critical Phillips Screw Co
Priority to AU33796/78A priority Critical patent/AU522150B2/en
Publication of AU3379678A publication Critical patent/AU3379678A/en
Application granted granted Critical
Publication of AU522150B2 publication Critical patent/AU522150B2/en
Expired legal-status Critical Current

Links

AU33796/78A 1974-09-12 1978-03-02 Screwdriver Expired AU522150B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU33796/78A AU522150B2 (en) 1974-09-12 1978-03-02 Screwdriver

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/505,324 US4084478A (en) 1974-09-12 1974-09-12 Screw heads
AU33796/78A AU522150B2 (en) 1974-09-12 1978-03-02 Screwdriver

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU84756/75A Division AU492083B2 (en) 1974-09-12 1975-09-11 Improvements in recessed screwheads

Publications (2)

Publication Number Publication Date
AU3379678A AU3379678A (en) 1978-07-06
AU522150B2 true AU522150B2 (en) 1982-05-20

Family

ID=25622589

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33796/78A Expired AU522150B2 (en) 1974-09-12 1978-03-02 Screwdriver

Country Status (1)

Country Link
AU (1) AU522150B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU659474B2 (en) * 1991-07-26 1995-05-18 Phillips Screw Company Screw head with slant rib and punch for making such screw heads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU659474B2 (en) * 1991-07-26 1995-05-18 Phillips Screw Company Screw head with slant rib and punch for making such screw heads

Also Published As

Publication number Publication date
AU3379678A (en) 1978-07-06

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