Official data from INPI

PROCESSO E DISPOSIÇAO PARA A REGULAGEM DE UM MISTURADOR EM FAIXA LATERAL UNICASUPERIOR.

Em AnáliseInvention Patent

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Application data

Number

PI8701877

Type

Invention Patent

Filing

04/21/1987

Publication

01/26/1988

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Progress at the INPI

Filing04/21/87
Publication01/26/88
Examination01/10/89
Allowance09/01/92
Grant04/27/93
Expired07/29/08

The letters patent expired on 07/29/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A.N.T. Nachrichtentechnik GmbH

Inventors

W. S. (pessoa física)

Technical data

IPC Classification

H03D 7/14 H03D 7/18

Priority claims

P 36 13 536.4 · 04/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Publicação do pedido de patente

#3.1

01/26/1988

RPI 901

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 21/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

01/26/1993

RPI 1156

Deferimento

#9.1

09/01/1992

RPI 1135

Exigência - art. 36 da LPI

#6.1

10/15/1991

RPI 1089

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