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Official data from INPI

APARELHO CLASSIFICADOR/DEPURADOR DE PASTA

Prazo de SigiloInvention Patent

Application data

Number

PI8600936

Type

Invention Patent

Filing

03/04/1986

Publication

11/11/1986

Progress at the INPI

  1. Filing03/04/86
  2. Publication11/11/86
  3. Examination12/30/86
  4. Allowance03/12/91
  5. Grant09/24/91
  6. 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.

Talk to a specialist

Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. A. (pessoa física)

SE

See this company's full portfolio

Inventors

B. A. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

85.01030-4 · 03/04/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

2.2

12/30/1986

RPI 845

Solicitação de exame técnico

#4.1

12/30/1986

RPI 845

Pedido de patente depositado

#2.1

11/18/1986

RPI 839

Publicação do pedido de patente

#3.1

11/11/1986

RPI 838

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

Patente extinta em 04/03/2001

07/22/2008

RPI 1959

Republicação - classificação IPC

#15.11

11/12/1991

RPI 1093

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

06/25/1991

RPI 1073

Deferimento

#9.1

03/12/1991

RPI 1058

Exigência - art. 36 da LPI

#6.1

10/02/1990

RPI 1035

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