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Official data from INPI

QUEIMADOR DE PEDRA A BAIXA PRESSAO PARA PASTA SEMI-FLUIDA DE CARVAO-AGUA OU OLEO COMBUSTIVEL

Em AnáliseInvention Patent

Application data

Number

PI8501785

Type

Invention Patent

Filing

06/21/1984

Publication

04/29/1986

Progress at the INPI

  1. Filing06/21/84
  2. Publication04/29/86
  3. Examination06/21/88
  4. Allowance03/28/89
  5. Abandoned
  6. In force

The application was allowed on 03/28/1989 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

E. F. (pessoa física)

F. J. (pessoa física)

J. J. (pessoa física)

L. D. (pessoa física)

M. (pessoa física)

T. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

07/18/1989

RPI 978

Deferimento

#9.1

03/28/1989

RPI 962

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

Publicação do pedido de patente

#3.1

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Arquivamento - Art. 38 §2° da LPI

#11.4

06/19/1990

RPI 1023

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