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Official data from INPI

DISPOSITIVO DE CONTROLE ÓTICO DE CORPOS TRANSPARENTES.

PublicadaInvention Patent

Application data

Number

PI8703873

Type

Invention Patent

Filing

07/27/1987

Publication

03/29/1988

Progress at the INPI

  1. Filing07/27/87
  2. Publication03/29/88
  3. Examination04/10/90
  4. Allowance10/27/92
  5. Grant04/27/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

FR

Inventors

P. L. (pessoa física)

T. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86 10900 · 07/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/29/1988

RPI 910

Pedido de patente depositado

#2.1

10/13/1987

RPI 886

Carta-patente expirada

#21.1

Patente extinta em 27/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

03/09/1993

RPI 1162

Deferimento

#9.1

10/27/1992

RPI 1143

Solicitação de exame técnico

#4.1

04/10/1990

RPI 1013

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