USD409098S - Adjustable unit circle board for evaluating trigonometric functions and their signs - Google Patents
Adjustable unit circle board for evaluating trigonometric functions and their signs Download PDFInfo
- Publication number
- USD409098S USD409098S US29/074,208 US7420897F USD409098S US D409098 S USD409098 S US D409098S US 7420897 F US7420897 F US 7420897F US D409098 S USD409098 S US D409098S
- Authority
- US
- United States
- Prior art keywords
- signs
- unit circle
- trigonometric functions
- adjustable unit
- circle board
- 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
Links
Images
Description
FIG. 1 is a front elevational view of the adjustable unit circle board for evaluating trigonometric functions and their signs showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side view thereof
FIG. 4 is a left side view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
Claims (1)
- The ornamental design for an adjustable unit circle oard for evaluating trigonometric functions and their signs, as shown and described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/074,208 USD409098S (en) | 1997-07-28 | 1997-07-28 | Adjustable unit circle board for evaluating trigonometric functions and their signs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/074,208 USD409098S (en) | 1997-07-28 | 1997-07-28 | Adjustable unit circle board for evaluating trigonometric functions and their signs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD409098S true USD409098S (en) | 1999-05-04 |
Family
ID=71619807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29/074,208 Expired - Lifetime USD409098S (en) | 1997-07-28 | 1997-07-28 | Adjustable unit circle board for evaluating trigonometric functions and their signs |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD409098S (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080052939A1 (en) * | 2006-08-31 | 2008-03-06 | Jesse Kozlowski | Apparatus and Method for Measuring the Trigonometric Cosine and Trigonometric Sine of an Angle |
| US10338532B2 (en) | 2017-10-30 | 2019-07-02 | L. Franklin KEMP | Trigonometric display and method thereof |
| USD854944S1 (en) * | 2017-10-30 | 2019-07-30 | Franklin Kemp | Trigonometric display clock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3386190A (en) * | 1965-10-22 | 1968-06-04 | Antran Corp | Device and method for demonstrating the area of a circle |
| US5114347A (en) * | 1991-04-08 | 1992-05-19 | Camp Mead B | Mathematical function demonstrator boards |
| USD342685S (en) * | 1992-06-11 | 1993-12-28 | Stokes William T | Trigonometric function overlay |
-
1997
- 1997-07-28 US US29/074,208 patent/USD409098S/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3386190A (en) * | 1965-10-22 | 1968-06-04 | Antran Corp | Device and method for demonstrating the area of a circle |
| US5114347A (en) * | 1991-04-08 | 1992-05-19 | Camp Mead B | Mathematical function demonstrator boards |
| USD342685S (en) * | 1992-06-11 | 1993-12-28 | Stokes William T | Trigonometric function overlay |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080052939A1 (en) * | 2006-08-31 | 2008-03-06 | Jesse Kozlowski | Apparatus and Method for Measuring the Trigonometric Cosine and Trigonometric Sine of an Angle |
| US7748129B2 (en) * | 2006-08-31 | 2010-07-06 | Jesse Kozlowski | Apparatus and method for measuring the trigonometric cosine and trigonometric sine of an angle |
| US10338532B2 (en) | 2017-10-30 | 2019-07-02 | L. Franklin KEMP | Trigonometric display and method thereof |
| USD854944S1 (en) * | 2017-10-30 | 2019-07-30 | Franklin Kemp | Trigonometric display clock |
| US10474106B2 (en) | 2017-10-30 | 2019-11-12 | L. Franklin KEMP | Trigonometric display and method thereof |
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