Official data from INPI

APARELHO INTERRUPTOR DE MEMBRANA

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI7604640

Type

Invention Patent

Filing

09/15/1975

Publication

View on INPI

Progress at the INPI

Filing09/15/75
Publication
Examination
Allowance
Grant
Expired07/20/93

The letters patent expired on 07/20/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/31/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GLOBE UNION INC

See this company's full portfolio

Inventors

L. W. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

05/31/1983

RPI 658

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

From the same holder

DISPOSITIVO PARA MOLDAR ARTIGOS COMPOSTOS A PARTIR DE DOIS MATERIAIS CONTATO DE CIRCUITO IMPRESSO E PROCESSO PARA FORMAR O MESMO BATERIA E CONJUNTO DE RECIPIENTE PARA UMA BATERIA CHAVE ROTATIVA E APARELHO ELETRICO ACUMULADOR E PROCESSO DE FABRICACAO DE UM ACUMULADOR E DE UM ELEMENTO DE ACUMULADOR ADUFA DE CADINHO E APARELHO DE MOLDAGEM APARELHO PARA ENVOLVER PLACAS DE ACUMULADOR PROCESSO DE FORMACAO DE UM ARTIGO COMPOSTO E GRADE DE BATERIA COMPOSTA

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.