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Official data from INPI

POLTRONA

Em AnáliseUtility Model

Application data

Number

MU6701435

Type

Utility Model

Filing

07/20/1987

Publication

02/08/1989

Progress at the INPI

  1. Filing07/20/87
  2. Publication02/08/89
  3. Examination07/04/89
  4. Allowance07/09/91
  5. Grant03/31/92
  6. Expired09/18/01

The letters patent expired on 09/18/2001: 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. P. (pessoa física)

RJ, BR

Inventors

S. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/04/1989

RPI 976

Publicação do pedido de patente

#3.1

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

12/08/1987

RPI 894

Carta-patente expirada

#21.1

Patente extinta em 20/07/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

03/31/1992

RPI 1113

Notificação para pagamento de retribuição

#13.1

11/05/1991

RPI 1092

Deferimento

#9.1

07/09/1991

RPI 1075

Exigência - art. 36 da LPI

#6.1

02/05/1991

RPI 1053

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