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Official data from INPI

REVESTIMENTO DE POÇO COM ANÉIS PRÉ-MOLDADOS DE ARGAMASSA ARMADA.

Em AnáliseInvention Patent

Application data

Number

PI8505019

Type

Invention Patent

Filing

10/09/1985

Publication

05/19/1987

Progress at the INPI

  1. Filing10/09/85
  2. Publication05/19/87
  3. Examination11/17/87
  4. Allowance01/23/90
  5. Grant11/27/90
  6. Terminated09/19/95

The patent was granted on 11/27/1990 and later terminated for failure to pay the annuities. The technology is in the public domain 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

J. N. (pessoa física)

RJ, BR

Inventors

J. N. (pessoa física)

BR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

11/17/1987

RPI 891

Publicação do pedido de patente

#3.1

05/19/1987

RPI 865

Pedido de patente depositado

#2.1

12/17/1985

RPI 791

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

01/23/1990

RPI 1003

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