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Official data from INPI

APERFEIÇOAMENTOS INTRODUZIDOS EM CARRO-TANQUE

Em AnáliseInvention Patent

Application data

Number

PI8600444

Type

Invention Patent

Filing

01/28/1986

Publication

07/14/1987

Progress at the INPI

  1. Filing01/28/86
  2. Publication07/14/87
  3. Examination09/01/87
  4. Allowance07/11/89
  5. Grant03/27/90
  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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Codimaq-Máquinas e Equipamentos Rodoviários Ltda.

PR, BR

See this company's full portfolio

Inventors

C. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/11/1989

RPI 977

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Publicação antecipada

#3.2

07/14/1987

RPI 873

14.1

03/31/1987

RPI 858

14.4

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

07/29/1986

RPI 823

Carta-patente expirada

#21.1

Patente extinta em 28/01/2001

07/22/2008

RPI 1959

Pedido de licença compulsória

#20.1

06/18/1991

RPI 1072

20.7

06/11/1991

RPI 1071

Concessão da patente

#16.1

03/27/1990

RPI 1011

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