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Official data from INPI

PROCESSO PARA TRANSPORTAR MATERIAIS CONTINUAMENTO POR UM TRANSPORTADOR DE CINTA TUBULAR; TRANSPORTADOR DE CINTA TUBULAR

PublicadaInvention Patent

Application data

Number

PI8701243

Type

Invention Patent

Filing

03/19/1987

Publication

12/06/1988

Progress at the INPI

  1. Filing03/19/87
  2. Publication12/06/88
  3. Examination10/30/90
  4. Allowance09/17/91
  5. Grant05/26/92
  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.

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Latest action published by the INPI: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

JP

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Inventors

K. H. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/06/1988

RPI 946

14.1

09/13/1988

RPI 934

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Carta-patente expirada

#21.1

Patente extinta em 19/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/26/1992

RPI 1121

Deferimento

#9.1

09/17/1991

RPI 1085

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

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