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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8305455

Type

Invention Patent

Filing

10/03/1983

Publication

05/07/1985

Progress at the INPI

  1. Filing10/03/83
  2. Publication05/07/85
  3. Examination06/23/87
  4. Allowance08/23/88
  5. Grant07/25/89
  6. Terminated04/23/96

The patent was granted on 07/25/1989 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sulzer Brothers Ltd.

CH

See this company's full portfolio

Inventors

K. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

02/17/1988

RPI 904

Solicitação de exame técnico

#4.1

06/23/1987

RPI 870

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Anuidade - prazo legal encerrado

#18.2

04/23/1996

RPI 1325

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