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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8406206

Type

Invention Patent

Filing

12/05/1984

Publication

10/01/1985

Progress at the INPI

  1. Filing12/05/84
  2. Publication10/01/85
  3. Examination05/13/86
  4. Allowance04/22/87
  5. Grant10/27/87
  6. Terminated07/04/95

The patent was granted on 10/27/1987 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. Alkan & Cie Société Anonyme Française

FR

Inventors

C. P. (pessoa física)

D. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Deferimento

#9.1

04/22/1987

RPI 861

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

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