AU533820B3 - Angle trisecting ruler - Google Patents

Angle trisecting ruler

Info

Publication number
AU533820B3
AU533820B3 AU15769/83A AU1576983A AU533820B3 AU 533820 B3 AU533820 B3 AU 533820B3 AU 15769/83 A AU15769/83 A AU 15769/83A AU 1576983 A AU1576983 A AU 1576983A AU 533820 B3 AU533820 B3 AU 533820B3
Authority
AU
Australia
Prior art keywords
ruler
trisecting
angle
angle trisecting
trisecting ruler
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
AU15769/83A
Inventor
Saiu Chiew Gan
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU15769/83A priority Critical patent/AU533820B3/en
Application granted granted Critical
Publication of AU533820B3 publication Critical patent/AU533820B3/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/001—Mathematical drawing instruments
    • B43L13/002—Angle intersecting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
AU15769/83A 1983-06-15 1983-06-15 Angle trisecting ruler Expired AU533820B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU15769/83A AU533820B3 (en) 1983-06-15 1983-06-15 Angle trisecting ruler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU15769/83A AU533820B3 (en) 1983-06-15 1983-06-15 Angle trisecting ruler

Publications (1)

Publication Number Publication Date
AU533820B3 true AU533820B3 (en) 1983-12-15

Family

ID=3705777

Family Applications (1)

Application Number Title Priority Date Filing Date
AU15769/83A Expired AU533820B3 (en) 1983-06-15 1983-06-15 Angle trisecting ruler

Country Status (1)

Country Link
AU (1) AU533820B3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10994569B2 (en) 2018-02-06 2021-05-04 Ronald Harvey Rosenfield Angle trisector, as validated to perform accurately over a wide range of device settings by a novel geometric forming process; also capable of portraying finite lengths that only could be approximated by means of otherwise applying a compass and straightedge to a given length of unity; that furthermore functions as a level whose inherent geometry could be adapted for many other uses such as being incorporated into the design of a hydraulic car lift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10994569B2 (en) 2018-02-06 2021-05-04 Ronald Harvey Rosenfield Angle trisector, as validated to perform accurately over a wide range of device settings by a novel geometric forming process; also capable of portraying finite lengths that only could be approximated by means of otherwise applying a compass and straightedge to a given length of unity; that furthermore functions as a level whose inherent geometry could be adapted for many other uses such as being incorporated into the design of a hydraulic car lift

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