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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8300363

Type

Invention Patent

Filing

01/20/1983

Publication

01/10/1984

Progress at the INPI

  1. Filing01/20/83
  2. Publication01/10/84
  3. Examination03/20/84
  4. Allowance08/20/85
  5. Grant12/30/86
  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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. M. (pessoa física)

SP, BR

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

110

08/12/1986

RPI 825

Recurso

#12.1

12/17/1985

RPI 791

Deferimento

#9.1

08/20/1985

RPI 774

Pedido de certificado de adição de invenção

#5.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Publicação antecipada

#3.2

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

Carta-patente expirada

#21.1

Patente extinta em 20/01/98

07/01/2008

RPI 1956

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