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Official data from INPI

REMOVEDOR DE CINZAS POR VIA UMIDA

ConcedidaInvention Patent

Application data

Number

PI8207332

Type

Invention Patent

Filing

01/30/1982

Publication

10/18/1983

Progress at the INPI

  1. Filing01/30/82
  2. Publication10/18/83
  3. Examination08/06/85
  4. Allowance07/14/87
  5. Grant03/29/88
  6. Terminated06/26/90

The patent was granted on 03/29/1988 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK WERKE AG [DE]

Inventors

B. H. (pessoa física)

M. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

11.8

04/22/1987

RPI 861

Retificação

#15.3

02/17/1987

RPI 852

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

02/08/1983

RPI 642

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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