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Official data from INPI

ANEL DE TRAVA

Em AnáliseInvention Patent

Application data

Number

PI8505493

Type

Invention Patent

Filing

11/04/1985

Publication

08/26/1986

Progress at the INPI

  1. Filing11/04/85
  2. Publication08/26/86
  3. Examination11/04/86
  4. Allowance02/28/89
  5. Grant01/09/90
  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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rud Correntes Industriais Ltda., empresa brasileira, industrial e comercial

SP, BR

Inventors

E. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Solicitação de exame técnico

#4.1

11/04/1986

RPI 837

Publicação antecipada

#3.2

08/26/1986

RPI 827

Pedido de patente depositado

#2.1

01/14/1986

RPI 795

Carta-patente expirada

#21.1

Patente extinta em 04/11/2000

07/15/2008

RPI 1958

200

12/08/1992

RPI 1149

Pedido de licença voluntária

#17.1

02/05/1991

RPI 1053

Concessão da patente

#16.1

01/09/1990

RPI 1001

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