Carta-patente expirada
#21.1
Patente extinta em 20/03/2017
04/18/2017
RPI 2415
Application data
Number
PI9709157Type
Filing
Publication
PCT
GB1997000790 The letters patent expired on 04/18/2017: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 04/18/2017. We update with every new RPI gazette, published weekly.
Applicants
Hadley Industries Holdings Limited
GB
Hadley Industries Limited
GB
Hadley Industries Overseas Holdings Limited
GB
Hadley Industries PLC
GB
Inventors
G. D. (pessoa física)
GB
IPC Classification
Priority claims
GB
9606289.8 · 03/26/1996
Abstract
MATERIAL DE FOLHA FINA, RÍGIDA E PROCESSO DE FABRICAÇÃO DO MESMO . Folha de metal fina resistente à flexão, leve é produzida mediante passagem da folha (S) de metal fina flexível entre rolos (R1, R2) tendo dentes definidos (T), os dentes (T) tendo cantos arredondados de modo que fileiras de projeções são formadas em ambas as faces da folha sem dano ao material de superfície ou aos rolos.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 20/03/2017
04/18/2017
RPI 2415
#25.4
Alterado de: Hadley Industries Holdings Limited
09/29/2009
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#25.4
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09/15/2009
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08/18/2009
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