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Official data from INPI

FORNALHA DE DUPLA TIRAGEM

PublicadaInvention Patent

Application data

Number

PI8706003

Type

Invention Patent

Filing

11/09/1987

Publication

05/30/1989

Progress at the INPI

  1. Filing11/09/87
  2. Publication05/30/89
  3. Examination04/10/90
  4. Allowance11/27/90
  5. Grant07/30/91
  6. Terminated10/24/95

The patent was granted on 07/30/1991 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

R. F. (pessoa física)

SP, BR

Inventors

R. F. (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

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

03/12/1991

RPI 1058

Deferimento

#9.1

11/27/1990

RPI 1043

Solicitação de exame técnico

#4.1

04/10/1990

RPI 1013

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