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Official data from INPI

APERFEICOAMENTOS EM OU RELATIVOS A PROCESSOS DE FUSAO E INSTALACAO PARA SUA EXECUCAO

ConcedidaInvention Patent

Application data

Number

PI8100136

Type

Invention Patent

Filing

01/09/1981

Publication

09/14/1982

Progress at the INPI

  1. Filing01/09/81
  2. Publication09/14/82
  3. Examination11/20/84
  4. Allowance06/14/88
  5. Grant02/28/89
  6. Terminated02/04/92

The patent was granted on 02/28/1989 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INST NEW ZEALAND [NZ]

Inventors

D. E. (pessoa física)

F. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

11/20/1984

RPI 735

Publicação do pedido de patente

#3.1

09/14/1982

RPI 621

Republicação - classificação IPC

#15.11

As classificações anteriores eram: A23K 1/10; A22C 17/00

08/16/2016

RPI 2380

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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