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Official data from INPI

†MBOLO DE METAL LEVE PARA MOTORES DE COMBUSTÃO INTERNA.

Em AnáliseInvention Patent

Application data

Number

PI8500704

Type

Invention Patent

Filing

02/14/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing02/14/85
  2. Publication04/15/86
  3. Examination02/23/88
  4. Allowance12/20/88
  5. Grant09/25/90
  6. Terminated05/21/96

The patent was granted on 09/25/1990 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: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kolbenschmidt Ag.

DE

Inventors

D. W. (pessoa física)

DE

K. S. (pessoa física)

DE

U. L. (pessoa física)

DE

W. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 25 965.1 · 07/14/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

04/11/1989

RPI 964

Deferimento

#9.1

12/20/1988

RPI 948

5.3

07/19/1988

RPI 926

Pedido de certificado de adição de invenção

#5.1

07/12/1988

RPI 925

Solicitação de exame técnico

#4.1

02/23/1988

RPI 905

Publicação do pedido de patente

#3.1

04/15/1986

RPI 808

Pedido de patente depositado

#2.1

05/07/1985

RPI 759

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

09/25/1990

RPI 1034

110

05/22/1990

RPI 1019

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