GB9203563D0 - Protractor with a rotor - Google Patents

Protractor with a rotor

Info

Publication number
GB9203563D0
GB9203563D0 GB929203563A GB9203563A GB9203563D0 GB 9203563 D0 GB9203563 D0 GB 9203563D0 GB 929203563 A GB929203563 A GB 929203563A GB 9203563 A GB9203563 A GB 9203563A GB 9203563 D0 GB9203563 D0 GB 9203563D0
Authority
GB
United Kingdom
Prior art keywords
protractor
rotor
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.)
Pending
Application number
GB929203563A
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.)
HONG WONG Y
Original Assignee
HONG WONG Y
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 HONG WONG Y filed Critical HONG WONG Y
Priority to GB929203563A priority Critical patent/GB9203563D0/en
Publication of GB9203563D0 publication Critical patent/GB9203563D0/en
Priority to GB9219921A priority patent/GB2264364B/en
Pending legal-status Critical Current

Links

GB929203563A 1992-02-20 1992-02-20 Protractor with a rotor Pending GB9203563D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB929203563A GB9203563D0 (en) 1992-02-20 1992-02-20 Protractor with a rotor
GB9219921A GB2264364B (en) 1992-02-20 1992-09-21 Protractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929203563A GB9203563D0 (en) 1992-02-20 1992-02-20 Protractor with a rotor

Publications (1)

Publication Number Publication Date
GB9203563D0 true GB9203563D0 (en) 1992-04-08

Family

ID=10710710

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929203563A Pending GB9203563D0 (en) 1992-02-20 1992-02-20 Protractor with a rotor
GB9219921A Expired - Fee Related GB2264364B (en) 1992-02-20 1992-09-21 Protractor

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9219921A Expired - Fee Related GB2264364B (en) 1992-02-20 1992-09-21 Protractor

Country Status (1)

Country Link
GB (2) GB9203563D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1022014C2 (en) * 2002-11-28 2004-06-02 Cornelis Jan Admiraal Compass, comprises first disc with angle markings and null line and transparent second disc with direction indicator line
CN102012207B (en) * 2010-12-13 2012-05-09 山东科技大学 Angle measuring instrument
CN103575173A (en) * 2013-11-25 2014-02-12 郭永然 180-degree vernier protractor
ITUB20154634A1 (en) * 2015-10-12 2017-04-12 Franco Carboni A GONIOGRAPH
CN105806171A (en) * 2016-04-11 2016-07-27 黄友谊 Measuring structure achieved by means of double concentric circles, method and application of the method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB655224A (en) *
GB339980A (en) * 1929-09-11 1930-12-11 Horace Edwin Brimfield Improved protractor
GB589758A (en) * 1945-03-31 1947-06-30 Alan Sproxton Combined calculating-device and protractor
CH251900A (en) * 1946-07-05 1947-11-30 Rueedi Oskar Drawing apparatus on drawing boards.
GB663970A (en) * 1949-06-22 1951-01-02 George Alfred Crook Improvements relating to drawing instruments
US3460261A (en) * 1968-01-24 1969-08-12 Arnold J Frey Drafting device
US4791733A (en) * 1987-07-22 1988-12-20 Huey Bao Co., Ltd. Student's multi-function protractor

Also Published As

Publication number Publication date
GB2264364A (en) 1993-08-25
GB9219921D0 (en) 1992-11-04
GB2264364B (en) 1994-11-30

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