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Official data from INPI

JUNTA SELANTE SEPARÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8506581

Type

Invention Patent

Filing

12/30/1985

Publication

05/13/1986

Progress at the INPI

  1. Filing12/30/85
  2. Publication05/13/86
  3. Examination08/26/86
  4. Allowance05/30/89
  5. Grant02/06/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engemaq-Equipamentos, Máquinas e Eletrônica S/A

RS, BR

Inventors

R. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/26/1989

RPI 988

Deferimento

#9.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Publicação antecipada

#3.2

05/13/1986

RPI 812

Pedido de patente depositado

#2.1

04/08/1986

RPI 807

Carta-patente expirada

#21.1

Patente extinta em 30/12/2000

07/15/2008

RPI 1958

20.7

11/03/1992

RPI 1144

Concessão da patente

#16.1

02/06/1990

RPI 1005

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