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Official data from INPI

APARELHO SOPRADOR DE FULIGEM E PROCESSO DE OTIMIZAR O TEMPO DE CICLO DE OPERAÇÃO DO MESMO.

ConcedidaInvention Patent

Application data

Number

PI8404642

Type

Invention Patent

Filing

09/17/1984

Publication

08/06/1985

Progress at the INPI

  1. Filing09/17/84
  2. Publication08/06/85
  3. Examination01/28/86
  4. Allowance08/02/88
  5. Grant09/26/89
  6. Terminated06/27/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Babcock & Wilcox Company

US

See this company's full portfolio

Inventors

C. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

558.380 · 12/05/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

6.3

01/12/1988

RPI 899

Exigência - art. 36 da LPI

#6.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

01/28/1986

RPI 797

Publicação do pedido de patente

#3.1

08/06/1985

RPI 772

Pedido de patente depositado

#2.1

11/27/1984

RPI 736

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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