Foldable triangle protractor

Information

  • Patent Grant
  • D933506
  • Patent Number
    D933,506
  • Date Filed
    Wednesday, July 8, 2020
    4 years ago
  • Date Issued
    Tuesday, October 19, 2021
    3 years ago
  • US Classifications
    Field of Search
    • US
    • D10 69
    • D10 74
    • D10 71
    • D10 65
    • D19 133
    • D19 156
    • CPC
    • G01C9/28
    • G01C9/30
    • G01C9/34
    • G01C9/36
    • G01C9/26
    • G01C9/24
    • G01C5/00
    • G01C15/02
    • G06N20/00
    • G01B3/566
    • B43L7/0275
    • B43L7/02
    • B43L7/027193
  • International Classifications
    • 1004
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a front elevation view of a foldable triangle protractor showing our new design;



FIG. 2 is left side elevational view, the right side elevational view being mirror image thereof;



FIG. 3 is a top plan view, the bottom plan view being mirror image thereof;



FIG. 4 is a perspective view thereof;



FIG. 5 is a front elevation view thereof with foldable triangle protractor in half-folded position;



FIG. 6 is a front elevation view thereof with foldable triangle protractor in fully folded position; and,



FIG. 7 is a rear elevation view thereof.


Claims
  • The ornamental design for a foldable triangle protractor, as shown and described.
US Referenced Citations (13)
Number Name Date Kind
1029744 Desilets Jun 1912 A
1131596 Bowen Mar 1915 A
1526114 Brown Feb 1925 A
2149783 McAlister Mar 1939 A
4194295 Simuro Mar 1980 A
4524527 Jeffrey Jun 1985 A
D432928 Garrett Oct 2000 S
6643942 Russell Nov 2003 B1
9696154 Brown, Jr. Jul 2017 B1
11092439 Woryk Aug 2021 B2
20190070891 Kurani Mar 2019 A1
20200149856 Miller May 2020 A1
20210155030 Kurani May 2021 A1
Non-Patent Literature Citations (1)
Entry
Inspectapedia Calibration of Folding Ruler Scale to Read Roof Slopes, publication date (verified by webarchive) Jan. 9, 2016, [online] URL: https://inspectapedia.com/roof/Folding_Ruler_Measurements.php (Year: 2016).