Official data from INPI

FERRAMENTA PARA DESCASCAR

Em AnáliseInvention Patent

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Application data

Number

PI8601159

Type

Invention Patent

Filing

03/17/1986

Publication

02/24/1987

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Progress at the INPI

Filing03/17/86
Publication02/24/87
Examination04/28/87
Allowance03/24/92
Grant03/30/93
Expired07/22/08

The letters patent expired on 07/22/2008: 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: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. C. (pessoa física)

SP, BR

Inventors

J. C. (pessoa física)

Technical data

IPC Classification

H02G 1/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação antecipada

#3.2

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

10/07/1986

RPI 833

Carta-patente expirada

#21.1

Patente extinta em 17/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Deferimento

#9.1

03/24/1992

RPI 1112

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