USD531672S1 - PI illustration display device - Google Patents

PI illustration display device Download PDF

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Publication number
USD531672S1
USD531672S1 US29220550 US22055005F USD531672S US D531672 S1 USD531672 S1 US D531672S1 US 29220550 US29220550 US 29220550 US 22055005 F US22055005 F US 22055005F US D531672 S USD531672 S US D531672S
Authority
US
Grant status
Grant
Patent type
Design
Prior art keywords
pi
display device
illustration display
illustration
shown
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.)
Active
Application number
US29220550
Inventor
Bruce Hannon
Original Assignee
Bruce Hannon
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
Grant date

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Description

Within a transparent rectangle, balls illustrating the length of the circumference of a circle travel in hollow tubular channel.

FIG. 1 is an isometric view of the PI illustration display device.

FIG. 2 is a front view of the PI illustration display device.

FIG. 3 is a side view of the PI illustration display device; and,

FIG. 4 is a top view of the PI illustration display device.

Claims (1)

  1. The ornamental design for a PI illustration display device, as shown.
US29220550 2005-01-04 2005-01-04 PI illustration display device Active USD531672S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29220550 USD531672S1 (en) 2005-01-04 2005-01-04 PI illustration display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29220550 USD531672S1 (en) 2005-01-04 2005-01-04 PI illustration display device

Publications (1)

Publication Number Publication Date
USD531672S1 true USD531672S1 (en) 2006-11-07

Family

ID=37301662

Family Applications (1)

Application Number Title Priority Date Filing Date
US29220550 Active USD531672S1 (en) 2005-01-04 2005-01-04 PI illustration display device

Country Status (1)

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US (1) USD531672S1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD784449S1 (en) * 2015-10-07 2017-04-18 Four Pines Publishing, Inc Visual aid that demonstrates a random walk and generates a bell curve distribution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD784449S1 (en) * 2015-10-07 2017-04-18 Four Pines Publishing, Inc Visual aid that demonstrates a random walk and generates a bell curve distribution

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