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Current content: 159 679 824 patent documents

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164 112 new documents added

576 445 documents amended

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EP 0263284 B1 19901010 - ROOF COVERING SLAB

Title (en)

ROOF COVERING SLAB

Publication

EP 0263284 B1 19901010 (DE)

Application

EP 87112228 A 19870822

Priority

DE 8626769 U 19861009

Abstract (en)

[origin: US4803816A] A roofing slab with vent opening which is arranged in a central region thereof and is limited by a peripheral edge collar and over which a cover extends in hood-like manner. A hose connection pipe directed towards a bottom side of the roofing slab is coordinated with the opening. The edge collar projects beyond the bottom side of the roofing slab and extends into a dish, and the hose connecting pipe projects on the bottom of the dish.

IPC 1-7

E04D 1/30; E04D 13/14

IPC 8 full level

E04D 1/30 (2006.01); E04D 13/14 (2006.01); E04D 13/147 (2006.01)

CPC (source: EP US)

E04D 1/30 (2013.01 - EP US); E04D 13/1476 (2013.01 - EP US); E04D 1/2916 (2019.07 - EP US); E04D 2001/307 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0263284 A1 19880413; EP 0263284 B1 19901010; DE 3765511 D1 19901115; US 4803816 A 19890214

DOCDB simple family (application)

EP 87112228 A 19870822; DE 3765511 T 19870822; US 9380587 A 19870904