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Official data from INPI

PROCESSO DE ELABORAÇÃO DE GIZ

DeferidaInvention Patent

Application data

Number

PI8405516

Type

Invention Patent

Filing

10/30/1984

Publication

01/29/1985

Progress at the INPI

  1. Filing10/30/84
  2. Publication01/29/85
  3. Examination04/30/85
  4. Allowance10/31/89
  5. Grant06/26/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Acrilex Tintas Especiais S/A

SP, BR

See this company's full portfolio

Inventors

H. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

Solicitação de exame técnico

#4.1

04/30/1985

RPI 758

Publicação antecipada

#3.2

01/29/1985

RPI 745

Pedido de patente depositado

#2.1

01/15/1985

RPI 743

Carta-patente expirada

#21.1

Patente extinta em 30/10/99

07/08/2008

RPI 1957

Republicação - classificação IPC

#15.11

09/17/1991

RPI 1085

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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