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Official data from INPI

DISPOSITIVO DE DESENHAR

DeferidaInvention Patent

Application data

Number

PI8300302

Type

Invention Patent

Filing

01/21/1983

Publication

10/25/1983

Progress at the INPI

  1. Filing01/21/83
  2. Publication10/25/83
  3. Examination09/03/85
  4. Allowance11/14/89
  5. Grant05/29/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Investronica, S.A.

ES

Inventors

B. P. (pessoa física)

ES

Technical data

IPC Classification

Priority claims

ES

509.082 · 01/26/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

6.2

07/28/1987

RPI 875

Solicitação de exame técnico

#4.1

09/03/1985

RPI 776

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

03/08/1983

RPI 646

Carta-patente expirada

#21.1

Patente extinta em 21/01/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

03/20/1990

RPI 1010

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