(19)
(11) EP 3 274 505 A1

(12)

(43) Date of publication:
31.01.2018 Bulletin 2018/05

(21) Application number: 16712573.1

(22) Date of filing: 29.02.2016
(51) International Patent Classification (IPC): 
E01C 5/14(2006.01)
E01C 9/08(2006.01)
 E01C 5/22(2006.01)
E01C 5/00(2006.01)
(86) International application number:
PCT/US2016/020067
(87) International publication number:
WO 2016/153732 (29.09.2016 Gazette 2016/39)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 25.03.2015 US 201562138143 P
07.05.2015 US 201562158196 P
28.08.2015 US 201562211662 P
28.08.2015 US 201562211664 P
28.08.2015 US 201514839888

(71) Applicant: Quality Mat Company
Beaumont, TX 77713 (US)

(72) Inventors:
  • PENLAND, JR., Joe
    Beaumont, Texas 77713 (US)
  • PENLAND, Rustin
    Beaumont, Texas 77713 (US)
  • CALVERT, Scott
    Beaumont, Texas 77713 (US)
  • O'BRIEN, Thomas
    Beaumont, Texas 77713 (US)

(74) Representative: Holme Patent A/S 
Valbygårdsvej 33
2500 Valby
2500 Valby (DK)

   


(54) MAT CONSTRUCTION WITH ENVIRONMENTALLY RESISTANT CORE