EP 0056173 A1 19820721 - Air grating for use in the masonry of a building.
Title (en)
Air grating for use in the masonry of a building.
Title (de)
Lüftungsgitter für das Mauerwerk eines Gebäudes.
Title (fr)
Grille d'aération pour la maçonnerie d'un bâtiment.
Publication
Application
Priority
NL 8100133 A 19810113
Abstract (en)
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
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)
Citation (search report)
- [Y] FR 1587476 A 19700320
- [YD] CH 437706 A 19670615 - WEKA METALLBAU [DE]
- [A] BE 718623 A 19681231
- [A] US 3364841 A 19680123 - YOICHI UCHIYAMA
- [AP] US 4274330 A 19810623 - WITTEN ALVIN E, et al
- [A] FR 2407435 A1 19790525 - ALDES [FR]
- [AD] US 2722170 A 19551101 - JOHAN BROBERG GEORGE KARL
- [AD] FR 1100659 A 19550922 - SVENSKA FLAEKTFABRIKEN AB
- [A] NL 6602909 A 19670908
Designated contracting state (EPC)
NL
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