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AU549673B2 - Portable overhead projector - Google Patents
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AU549673B2 - Portable overhead projector - Google Patents

Portable overhead projector

Info

Publication number
AU549673B2
AU549673B2 AU83126/82A AU8312682A AU549673B2 AU 549673 B2 AU549673 B2 AU 549673B2 AU 83126/82 A AU83126/82 A AU 83126/82A AU 8312682 A AU8312682 A AU 8312682A AU 549673 B2 AU549673 B2 AU 549673B2
Authority
AU
Australia
Prior art keywords
overhead projector
portable overhead
portable
projector
overhead
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.)
Ceased
Application number
AU83126/82A
Other versions
AU8312682A (en
Inventor
John Frederic Dreyer
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of AU8312682A publication Critical patent/AU8312682A/en
Application granted granted Critical
Publication of AU549673B2 publication Critical patent/AU549673B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU83126/82A 1981-04-30 1982-04-29 Portable overhead projector Ceased AU549673B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25918981A 1981-04-30 1981-04-30
US259189 1981-04-30

Publications (2)

Publication Number Publication Date
AU8312682A AU8312682A (en) 1982-11-04
AU549673B2 true AU549673B2 (en) 1986-02-06

Family

ID=22983905

Family Applications (1)

Application Number Title Priority Date Filing Date
AU83126/82A Ceased AU549673B2 (en) 1981-04-30 1982-04-29 Portable overhead projector

Country Status (2)

Country Link
AU (1) AU549673B2 (en)
CA (1) CA1168485A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD305904S (en) 1986-02-12 1990-02-06 Ricoh Company, Ltd. Overhead projector
US4978218A (en) * 1990-03-01 1990-12-18 Minnesota Mining And Manufacturing Company Folding arm for overhead projector
USD365836S (en) 1993-12-17 1996-01-02 Elmo Co., Ltd. Overhead projector
US5428416A (en) * 1994-05-13 1995-06-27 Minnesota Mining And Manufacturing Company Overhead projector support leg mechanism

Also Published As

Publication number Publication date
AU8312682A (en) 1982-11-04
CA1168485A (en) 1984-06-05

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