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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM VASSOURAS DE PIAÇAVA

PublicadaUtility Model

Application data

Number

MU6702112

Type

Utility Model

Filing

10/05/1987

Publication

05/30/1989

Progress at the INPI

  1. Filing10/05/87
  2. Publication05/30/89
  3. Examination03/01/90
  4. Allowance12/24/91
  5. Grant11/24/92
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto Paranaense de Cegos

PR, BR

Inventors

M. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

12/29/1987

RPI 897

Carta-patente expirada

#21.1

Patente extinta em 05/10/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

12/24/1991

RPI 1099

Exigência - art. 36 da LPI

#6.1

08/06/1991

RPI 1079

Solicitação de exame técnico

#4.1

03/01/1990

RPI 1007

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