Educational apparatus for learning math

Information

  • Patent Grant
  • D841733
  • Patent Number
    D841,733
  • Date Filed
    Friday, April 3, 2015
    9 years ago
  • Date Issued
    Tuesday, February 26, 2019
    5 years ago
  • Inventors
    • Herrmann; Raymond J. (Westlake, OH, US)
  • Original Assignees
  • Examiners
    • Simmons; Ian
    • McVey; Lauren D
    Agents
    • Fay Sharpe LLP
  • US Classifications
    Field of Search
    • US
    • D19 59- 64
    • 434 203000
    • 434 127000
    • 434 188000
    • 434 189000
    • 434 191000
    • 434 194-196
    • 434 204000
    • 434 236000
    • 434 246000
    • D21 337
    • D99 26
    • D18 6
    • D14 485
    • D10 461
    • 235 0610R0
    • 235 068000
    • 235 123000
    • 273 1480R0
    • 273 236000
    • 273 260000
    • CPC
    • A44C5/0015
    • A63B71/0672
    • A63F3/04
    • A63F3/0478
    • A63F3/00634
    • A63F9/0098
    • A63F9/06
    • G06C1/00
    • G09B1/02
    • G09B1/10
    • G09B1/14
    • G09B1/20
    • G09B19/00
    • G09B19/02
    • G09B9/02
  • International Classifications
    • 1907
    • Term of Grant
      14Years
Abstract
Description


FIG. 1 is a perspective view of an educational apparatus for learning math illustrating my new design;



FIG. 2 is a front elevation view thereof;



FIG. 3 is a rear elevation view thereof;



FIG. 4 is a left side view thereof;



FIG. 5 is a right side view thereof;



FIG. 6 is a top plan view thereof; and,



FIG. 7 is a bottom plan view thereof.



FIG. 8 is an enlarged front perspective view of a counting element of the educational apparatus for learning math shown separately for clarity of illustration;



FIG. 9 is a rear perspective view thereof;



FIG. 10 is an enlarged front elevation view of a counting element of the educational apparatus for learning math with an exemplary portion of the rod element shown in broken lines for clarity of illustration;



FIG. 11 is a rear elevation view thereof;



FIG. 12 a top plan view thereof with the bottom plan view being substantially identical; and,



FIG. 13 is a left side view thereof with the right side view being substantially identical.


The broken lines illustrating text in FIGS. 1-3, a handle element in FIGS. 1-5 and 7, inner portions of counting elements in FIGS. 8-10 and an exemplary portion of the rod element in FIGS. 10-13 of the educational apparatus for learning math form no part of the portions of the claimed design.


Claims
  • The ornamental design for an educational apparatus for learning math, as shown and described.
US Referenced Citations (27)
Number Name Date Kind
378866 Clark et al. Mar 1888 A
1099009 Bennett Jun 1914 A
1144487 McGinley Jun 1915 A
1441323 Barber Jan 1923 A
2228554 Brown Jan 1941 A
2646631 Lazar Jul 1953 A
2654164 Seidenberg Oct 1953 A
2655737 Dero Oct 1953 A
D181754 Schott Dec 1957 S
2872742 Schott Feb 1959 A
3076272 Schott Feb 1963 A
3508348 Harada Apr 1970 A
3633287 Squires Jan 1972 A
3688418 Wilson Sep 1972 A
3731401 Kojima May 1973 A
D248332 Bailey Jun 1978 S
4295832 Karell Oct 1981 A
4812124 Colodner Mar 1989 A
4884973 Pak Dec 1989 A
4993952 Yeh Feb 1991 A
D674441 Rule Jan 2013 S
20070166673 Frieman Jul 2007 A1
20080280273 Lee Nov 2008 A1
20120028229 Harte Feb 2012 A1
20120251986 Silas-Martin Oct 2012 A1
20130052617 Harte Feb 2013 A1
20130236864 Harte Sep 2013 A1