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Official data from INPI

APERFEIÇOAMENTO EM DISPOSITIVO DE REGULAGEM DE ALTURA

PublicadaInvention Patent

Application data

Number

PI8705986

Type

Invention Patent

Filing

11/03/1987

Publication

05/30/1989

Progress at the INPI

  1. Filing11/03/87
  2. Publication05/30/89
  3. Examination03/13/90
  4. Allowance10/13/92
  5. Grant02/16/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodes Indústria Plástica e Metalúrgica Ltda.

SP, BR

See this company's full portfolio

Inventors

I. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 03/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

02/16/1994

RPI 1211

110

12/07/1993

RPI 1201

Recurso

#12.1

03/09/1993

RPI 1162

Deferimento

#9.1

10/13/1992

RPI 1141

Conhecimento de parecer técnico

#7.1

10/15/1991

RPI 1089

14.4

07/16/1991

RPI 1076

Solicitação de exame técnico

#4.1

03/13/1990

RPI 1009

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