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Current content: 157 337 350 patent documents

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219 431 new documents added

1 247 852 documents amended

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EP 0056173 B1 19840502 - AIR GRATING FOR USE IN THE MASONRY OF A BUILDING

Title (en)

AIR GRATING FOR USE IN THE MASONRY OF A BUILDING

Publication

EP 0056173 B1 19840502 (EN)

Application

EP 81201398 A 19811224

Priority

NL 8100133 A 19810113

Abstract (en)

[origin: EP0056173A1] An air grating which can easily be put in the masonry of a building structure consists of a flat grate plate and resilient limbs in opposite positions, the free ends of said limbs resiliently grip on the nearby bricks in a one-brick opening of the masonry.

IPC 1-7

F24F 13/00; E04B 1/70

IPC 8 full level

E04B 1/70 (2006.01); F24F 13/00 (2006.01); F24F 13/08 (2006.01)

CPC (source: EP)

E04B 1/7076 (2013.01); F24F 13/00 (2013.01); F24F 13/084 (2013.01)

Designated contracting state (EPC)

DOCDB simple family (publication)

EP 0056173 A1 19820721; EP 0056173 B1 19840502; NL 8100133 A 19820802

DOCDB simple family (application)

EP 81201398 A 19811224; NL 8100133 A 19810113