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Official data from INPI

FORRO PARA ENCADERNAR FOLHAS SOLTAS E PROCESSO PARA ENCADERNAR PAGINAS SOLTAS DE PAPEL

PublicadaInvention Patent

Application data

Number

PI8702531

Type

Invention Patent

Filing

05/18/1987

Publication

02/23/1988

Progress at the INPI

Under appeal
  1. Filing05/18/87
  2. Publication02/23/88
  3. Examination09/11/90
  4. Refused08/25/92
  5. Grant
  6. In force

The application was refused by the INPI on 08/25/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

H. R. (pessoa física)

H. A. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/23/1988

RPI 905

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Indeferimento

#9.2

08/25/1992

RPI 1134

Conhecimento de parecer técnico

#7.1

12/24/1991

RPI 1099

6.2

05/07/1991

RPI 1066

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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