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
Application number
GB286/61A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing CofiledCriticalMinnesota Mining and Manufacturing Co
Publication of GB865393ApublicationCriticalpatent/GB865393A/en
E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
E04D5/12—Roof covering by making use of flexible material, e.g. supplied in roll form specially modified, e.g. perforated, with granulated surface, with attached pads
Landscapes
Engineering & Computer Science
(AREA)
Architecture
(AREA)
Civil Engineering
(AREA)
Structural Engineering
(AREA)
Synthetic Leather, Interior Materials Or Flexible Sheet Materials
(AREA)
Compositions Of Macromolecular Compounds
(AREA)
Abstract
The subject-matter of this Specification is identical with that of Specification 865,392 but the claims differ. Specifications 686,678, 703,435, 712,784, 857,334, 857,335 and U.S.A. Specification 2,614,051 also are referred to.
GB286/61A1956-04-061957-04-05Bituminous sheet material having mineral granule coating
ExpiredGB865393A
(en)