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Official data from INPI

MÁQUINA PARA LAPIDAR CORRENTES

Em AnáliseInvention Patent

Application data

Number

PI8501831

Type

Invention Patent

Filing

04/15/1985

Publication

11/18/1986

Progress at the INPI

  1. Filing04/15/85
  2. Publication11/18/86
  3. Examination01/03/89
  4. Allowance01/23/90
  5. Grant04/30/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Indústria e Comércio de Correntes Regina Ltda

SP, BR

Inventors

A. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/03/1989

RPI 950

Publicação do pedido de patente

#3.1

11/18/1986

RPI 839

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Carta-patente expirada

#21.1

Patente extinta em 15/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

04/30/1991

RPI 1065

Retificação

#15.6

01/22/1991

RPI 1051

Retificação

#15.3

11/13/1990

RPI 1041

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

01/23/1990

RPI 1003

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