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Official data from INPI

DISPOSITIVO DE CONTROLE DE DESCARGA PARA CALDEIRAS.

ArquivadaUtility Model

Application data

Number

MU6400167

Type

Utility Model

Filing

02/02/1984

Publication

09/10/1985

Progress at the INPI

  1. Filing02/02/84
  2. Publication09/10/85
  3. Examination02/12/86
  4. Allowance07/21/87
  5. Abandoned
  6. In force

The application was allowed on 07/21/1987 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compac Sociedade Paulista de Caldeiras Ltda

Inventors

E. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

05/17/1988

RPI 917

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

07/21/1987

RPI 874

Exigência - art. 36 da LPI

#6.1

12/23/1986

RPI 844

Solicitação de exame técnico

#4.1

02/12/1986

RPI 799

Publicação do pedido de patente

#3.1

09/10/1985

RPI 777

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

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