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Official data from INPI

SUPORTE

Em AnáliseInvention Patent

Application data

Number

PI8206693

Type

Invention Patent

Filing

11/17/1982

Publication

03/29/1983

Progress at the INPI

  1. Filing11/17/82
  2. Publication03/29/83
  3. Examination08/09/83
  4. Allowance03/19/85
  5. Grant10/29/85
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRANSPORTADORA PAMPA S A [BR]

Inventors

E. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

05/16/1989

RPI 969

20.4

03/29/1988

RPI 910

20.7

03/29/1988

RPI 910

20.4

01/26/1988

RPI 901

18.8

09/01/1987

RPI 880

20.5

03/31/1987

RPI 858

Anuidade - prazo legal encerrado

#18.2

01/13/1987

RPI 847

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Publicação antecipada

#3.2

03/29/1983

RPI 649

Pedido de patente depositado

#2.1

01/11/1983

RPI 638

Republicação - classificação IPC

#15.11

01/26/2010

RPI 2038

Carta-patente expirada

#21.1

Patente extinta em 17/11/97

08/19/2008

RPI 1963

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