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Official data from INPI

CORREIA TRANSPORTADORA TUBULAR

Prazo de SigiloInvention Patent

Application data

Number

PI8803199

Type

Invention Patent

Filing

06/29/1988

Publication

02/06/1990

Progress at the INPI

  1. Filing06/29/88
  2. Publication02/06/90
  3. Examination10/16/90
  4. Allowance10/22/91
  5. Grant09/29/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

JP

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Inventors

H. O. (pessoa física)

JP

K. H. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/22/1988

RPI 944

Carta-patente expirada

#21.1

Patente extinta em 29/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

09/29/1992

RPI 1139

Republicação - classificação IPC

#15.11

05/12/1992

RPI 1119

Notificação para pagamento de retribuição

#13.1

03/03/1992

RPI 1109

Deferimento

#9.1

10/22/1991

RPI 1090

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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