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Official data from INPI

SISTEMA DE AUMENTO DE BITOLA DAS RODAS DIANTEIRAS PARA TRATOR DE TRAÇÃO NAS QUATRO RODAS

Em AnáliseInvention Patent

Application data

Number

PI8700763

Type

Invention Patent

Filing

02/18/1987

Publication

09/06/1988

Progress at the INPI

  1. Filing02/18/87
  2. Publication09/06/88
  3. Examination01/31/89
  4. Allowance11/06/90
  5. Grant04/30/91
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Yanmar do Brasil S/A

SP, BR

Inventors

S. W. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/31/1989

RPI 954

Publicação do pedido de patente

#3.1

09/06/1988

RPI 933

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Carta-patente expirada

#21.1

Patente extinta em 18/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

02/19/1991

RPI 1055

Deferimento

#9.1

11/06/1990

RPI 1040

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