USD351858S - Ruler teaching apparatus - Google Patents
Ruler teaching apparatus Download PDFInfo
- Publication number
- USD351858S USD351858S US29/005,388 US538893F USD351858S US D351858 S USD351858 S US D351858S US 538893 F US538893 F US 538893F US D351858 S USD351858 S US D351858S
- Authority
- US
- United States
- Prior art keywords
- teaching apparatus
- ruler
- ruler teaching
- present
- view
- 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 - Lifetime
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Images
Description
FIG. 1 is a top perspective view of a ruler teaching apparatus showing my new design;
FIG. 2 is a front elevational view of the ruler teaching apparatus according to the present invention;
FIG. 3 is a rear elevational view of the ruler teaching apparatus according to the present invention;
FIG. 4 is a top plan view of the ruler teaching apparatus according to the present invention;
FIG. 5 is a bottom plan view of the ruler teaching apparatus according to the present invention;
FIG. 6 is a left side elevational view of the ruler teaching apparatus according to the present invention; and,
FIG. 7 is a right side elevational view of the ruler teaching apparatus according to the present invention.
Claims (1)
- The ornamental design of a ruler teaching apparatus, as shown and described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29/005,388 USD351858S (en) | 1993-03-03 | 1993-03-03 | Ruler teaching apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29/005,388 USD351858S (en) | 1993-03-03 | 1993-03-03 | Ruler teaching apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
USD351858S true USD351858S (en) | 1994-10-25 |
Family
ID=70856619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/005,388 Expired - Lifetime USD351858S (en) | 1993-03-03 | 1993-03-03 | Ruler teaching apparatus |
Country Status (1)
Country | Link |
---|---|
US (1) | USD351858S (en) |
-
1993
- 1993-03-03 US US29/005,388 patent/USD351858S/en not_active Expired - Lifetime
Non-Patent Citations (2)
Title |
---|
Cenco Educational Catalog, 1969, p. 1, Element #72695. |
Welch Physics Digest, Apr. 1951 p. 27 Vernier Caliper on top of page. |
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