Official data from INPI

APARELHO PARA PRODUÇÃO DE CÓPIAS FOTOGRÁFICAS

Em AnáliseInvention Patent

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Application data

Number

PI8803634

Type

Invention Patent

Filing

07/20/1988

Publication

02/08/1989

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Progress at the INPI

Filing07/20/88
Publication02/08/89
Examination07/11/89
Allowance11/23/93
Grant06/28/94
Expired09/02/08

The letters patent expired on 09/02/2008: 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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. A. (pessoa física)

Gretag Imaging AG

Inventors

G. A. (pessoa física)

H. K. (pessoa física)

R. L. (pessoa física)

Technical data

IPC Classification

G03B 27/34 G03D 3/10

Priority claims

2752/87-1 · 07/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/11/1989

RPI 977

Publicação do pedido de patente

#3.1

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

12/27/1988

RPI 949

Carta-patente expirada

#21.1

Patente extinta em 20/07/2003

09/02/2008

RPI 1965

Pedido de licença compulsória

#20.1

10/04/1994

RPI 1244

Concessão da patente

#16.1

06/28/1994

RPI 1230

Deferimento

#9.1

11/23/1993

RPI 1199

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