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Official data from INPI

APERFEICOAMENTOS RELATIVOS AO METODO DE REVESTIMENTO DE TUBULACOES OU PASSAGENS

Em AnáliseInvention Patent

Application data

Number

PI8800109

Type

Invention Patent

Filing

01/14/1987

Publication

08/23/1988

Progress at the INPI

  1. Filing01/14/87
  2. Publication08/23/88
  3. Abandoned11/07/89
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INSITUFORM INT INC [LR]

Inventors

S. P. (pessoa física)

S. S. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

Publicação do pedido de patente

#3.1

08/23/1988

RPI 931

Pedido de patente depositado

#2.1

04/26/1988

RPI 914

10.1

10/16/1990

RPI 1037

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