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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8207352

Type

Invention Patent

Filing

12/17/1982

Publication

10/18/1983

Progress at the INPI

  1. Filing12/17/82
  2. Publication10/18/83
  3. Examination01/28/86
  4. Allowance05/17/88
  5. Grant12/27/88
  6. Terminated04/02/96

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

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Inventors

B. B. (pessoa física)

D. J. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

12/23/1986

RPI 844

Solicitação de exame técnico

#4.1

01/28/1986

RPI 797

Republicação - classificação IPC

#15.11

05/21/1985

RPI 761

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

04/02/1996

RPI 1322

20.11

12/17/1991

RPI 1098

20.4

10/29/1991

RPI 1091

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