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Official data from INPI

DISPOSICAO CONSTRUTIVA EM BULE TERMICO

Em AnáliseUtility Model

Application data

Number

MU6301662

Type

Utility Model

Filing

11/10/1983

Publication

06/18/1985

Progress at the INPI

  1. Filing11/10/83
  2. Publication06/18/85
  3. Examination04/15/86
  4. Allowance01/06/87
  5. Grant08/25/87
  6. Terminated03/10/92

The patent was granted on 08/25/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SOBRAL IND COM SA [BR]

Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/22/1989

RPI 983

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Solicitação de exame técnico

#4.1

04/15/1986

RPI 808

Publicação do pedido de patente

#3.1

06/18/1985

RPI 765

Pedido de patente depositado

#2.1

01/10/1984

RPI 690

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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