Official data from INPI

PROCESSO DE FABRICACAO DE UM FIO ELETRICO ISOLADO,DO TIPO FIO ESMALTADO,POR EXTRUSAO

ConcedidaInvention Patent

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Application data

Number

PI7704318

Type

Invention Patent

Filing

07/01/1976

Publication

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Progress at the INPI

Filing07/01/76
Publication
Examination
Allowance
Grant06/29/82
Expired07/13/93

The letters patent expired on 07/13/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/29/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BECK & CO AG

MAILLEFER SA

Inventors

J. H. (pessoa física)

K. E. (pessoa física)

Technical data

IPC Classification

H01B 13/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/29/1982

RPI 610

Notificação para pagamento de retribuição

#13.1

10/27/1981

RPI 575

Carta-patente expirada

#21.1

07/13/1993

RPI 1180

Pedido de licença compulsória

#20.1

07/31/1990

RPI 1026

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