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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM BOMBA ROOTS

Em AnáliseUtility Model

Application data

Number

MU6700454

Type

Utility Model

Filing

03/20/1987

Publication

10/27/1987

Progress at the INPI

  1. Filing03/20/87
  2. Publication10/27/87
  3. Examination12/22/87
  4. Allowance06/11/91
  5. Grant02/04/92
  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: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. G. (pessoa física)

SP, BR

Inventors

F. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Publicação antecipada

#3.2

10/27/1987

RPI 888

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Carta-patente expirada

#21.1

Patente extinta em 20/03/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

02/04/1992

RPI 1105

Notificação para pagamento de retribuição

#13.1

10/08/1991

RPI 1088

Deferimento

#9.1

06/11/1991

RPI 1071

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