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Official data from INPI

APERFEIÇOAMENTOS EM PATIM-SUPORTE PARA SAPATA DE COMPOSIÇÃO FENÓLICA DE FREIO FERROVIÁRIO

Prazo de SigiloInvention Patent

Application data

Number

PI8900124

Type

Invention Patent

Filing

01/09/1989

Publication

08/14/1990

Progress at the INPI

  1. Filing01/09/89
  2. Publication08/14/90
  3. Examination01/02/91
  4. Allowance03/17/92
  5. Grant02/24/93
  6. Terminated10/24/95

The patent was granted on 02/24/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

SP, BR

Inventors

Y. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

02/21/1989

RPI 957

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

02/24/1993

RPI 1160

Notificação para pagamento de retribuição

#13.1

08/11/1992

RPI 1132

Deferimento

#9.1

03/17/1992

RPI 1111

Solicitação de exame técnico

#4.1

01/02/1991

RPI 1048

Publicação do pedido de patente

#3.1

08/14/1990

RPI 1028

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