Modular ladder

Information

  • Patent Grant
  • D777947
  • Patent Number
    D777,947
  • Date Filed
    Monday, March 30, 2015
    9 years ago
  • Date Issued
    Tuesday, January 31, 2017
    7 years ago
  • US Classifications
    Field of Search
    • US
    • D25 62- 69
    • 182 093000
    • 182 151000
    • 182 178200
    • 182 194000
    • 182 178400
    • 182 021000
    • 182 022000
    • 182 104000
    • 182 120000
    • 182 187000
    • 182 106000
    • 182 198000
    • 182 206000
    • 182 113000
    • 182 116000
    • 482 035000
    • CPC
    • A63G21/00
    • A63G31/00
    • E06C7/182
    • E06C1/30
    • E04G5/10
  • International Classifications
    • 2504
    • Term of Grant
      14Years
Abstract
Description


FIG. 1 is a perspective view of a modular ladder showing our new design;



FIG. 2 is a front elevational view thereof;



FIG. 3 is a rear elevational view thereof;



FIG. 4 is a left elevational view thereof;



FIG. 5 is a right elevational view thereof;



FIG. 6 is a top plan view thereof shown in a larger scale; and,



FIG. 7 is a bottom plan view thereof shown in a larger scale.


Claims
  • The ornamental design for a modular ladder, as shown and described.
US Referenced Citations (107)
Number Name Date Kind
835059 Curley Nov 1906 A
925677 Belcher Jun 1909 A
1110185 Brown et al. Sep 1914 A
1367044 Hausler Feb 1921 A
1400066 Huck Dec 1921 A
1471094 Bloss Oct 1923 A
1729743 Jorgensen et al. Oct 1929 A
2008087 Stromberg Jul 1935 A
2539664 Hay Jan 1951 A
2569653 Boedecker Oct 1951 A
2673700 Eberhardt Mar 1954 A
3071205 Beck, Jr. Jan 1963 A
3106986 Ray Oct 1963 A
3148477 Bjorn et al. Sep 1964 A
3270997 Gethmann Sep 1966 A
3396499 Biffani Aug 1968 A
3401739 Opletal Sep 1968 A
3410044 Moog Nov 1968 A
3533592 Jennings Oct 1970 A
3562988 Gregoire Feb 1971 A
3684011 Presley et al. Aug 1972 A
3685866 Patenaude Aug 1972 A
3706169 Rensch Dec 1972 A
3784151 Steele Jan 1974 A
3829999 Bernstein Aug 1974 A
3977801 Murphy Aug 1976 A
4019298 Johnson, IV Apr 1977 A
4059931 Mongan Nov 1977 A
4306397 Ramseyer Dec 1981 A
4360230 Wood et al. Nov 1982 A
4438607 Nelson Mar 1984 A
4522001 Meyer Jun 1985 A
4577449 Celli Mar 1986 A
4684285 Cable Aug 1987 A
4701131 Hildebrandt et al. Oct 1987 A
4736554 Tyler Apr 1988 A
4742665 Baierl May 1988 A
4754712 Olson et al. Jul 1988 A
4821844 Huffman et al. Apr 1989 A
4830144 Werner May 1989 A
4852501 Olson et al. Aug 1989 A
4905436 Matsuo et al. Mar 1990 A
5061111 Hosokawa Oct 1991 A
5240089 Spera Aug 1993 A
5244300 Perreira et al. Sep 1993 A
5289665 Higgins Mar 1994 A
5342138 Saito et al. Aug 1994 A
5590974 Yang Jan 1997 A
5605410 Pantev Feb 1997 A
5615529 Johnson et al. Apr 1997 A
5617931 Zygmun et al. Apr 1997 A
5678375 Juola Oct 1997 A
6082070 Jen Jul 2000 A
6092347 Hou Jul 2000 A
6106186 Taipale et al. Aug 2000 A
6219989 Tumura Apr 2001 B1
6378265 Konstandt Apr 2002 B1
6390719 Chan May 2002 B1
6554102 Schwörer Apr 2003 B2
6607053 Warren Aug 2003 B1
6651393 Don et al. Nov 2003 B2
6802169 Simmons Oct 2004 B2
6837016 Simmons et al. Jan 2005 B2
6913422 Rogers Jul 2005 B2
6929094 Kohlmeier Aug 2005 B1
7021020 Simmons et al. Apr 2006 B2
7032712 Schwörer Apr 2006 B2
7082694 Lyman, Jr. Aug 2006 B2
7137478 Becker Nov 2006 B2
7469485 Perdue Dec 2008 B1
7470081 Miyahara et al. Dec 2008 B2
D611166 Hammer Mar 2010 S
7677522 Bakos Mar 2010 B2
7941985 Simmons May 2011 B2
8011150 Luttrell et al. Sep 2011 B2
8056299 Liskey Nov 2011 B2
8132774 Whatcott Mar 2012 B1
8136460 Tait et al. Mar 2012 B2
8161698 Migliore Apr 2012 B2
8161707 Simmons Apr 2012 B2
8297002 Fernández Fernández Oct 2012 B2
8297887 Ness et al. Oct 2012 B2
8381877 Freund Feb 2013 B1
8522507 Asada et al. Sep 2013 B2
8528298 Semaan et al. Sep 2013 B2
8627615 Moyher Jan 2014 B2
8646232 Liskey Feb 2014 B2
9103132 Simmons et al. Aug 2015 B2
9109874 Simmons et al. Aug 2015 B2
20020043038 Cerrato Apr 2002 A1
20030178253 Tatge et al. Sep 2003 A1
20040237439 Powell Dec 2004 A1
20050066612 Simmons Mar 2005 A1
20050189172 Becker Sep 2005 A1
20070256391 Mifsud et al. Nov 2007 A1
20080245023 Simmons Oct 2008 A1
20090052980 Williams Feb 2009 A1
20100316441 Vicentelli Dec 2010 A1
20120110947 Simmons May 2012 A1
20120160137 Linares Jun 2012 A1
20120292131 Lovas Nov 2012 A1
20130319796 Davis Dec 2013 A1
20140144006 Ashouri May 2014 A1
20140183330 Simmons et al. Jul 2014 A1
20140202795 Simmons et al. Jul 2014 A1
20140208666 Simmons et al. Jul 2014 A1
20160017657 Wilson Jan 2016 A1
Foreign Referenced Citations (10)
Number Date Country
2758992 Jul 1979 DE
102009050139 Apr 2011 DE
2471461 Jun 1981 FR
2613403 Oct 1988 FR
1204327 Sep 1970 GB
2261651 May 1993 GB
11-22001 Jan 1999 JP
2000-110236 Apr 2000 JP
9836134 Aug 1998 WO
2011047830 Apr 2011 WO
Non-Patent Literature Citations (2)
Entry
ConXtech, ‘ConX Modular Pipe Rack’ [online], Jan. 6, 2013, Retrieved from the internet: <http://www.conxtech.com/conx-system/conx-modular-pipe-rack/>, p. 1, figure 1, paragraphs 1, 2; p. 2, paragraph 1; 3 pages.
ConXtech Brochure, ‘Conx Modular Pipe Rack’ [online], Apr. 16, 2014, Retrieved from the internet: <http://www.conxtech.com—wpcontent—uploads—files—documents—ConX—Modular—Pipe—Rack—Brochure.pdf>; entire document, 25 pages.