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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE DERIVADOS DE CICLO-HEXANO DIONA

DeferidaInvention Patent

Application data

Number

PI8401860

Type

Invention Patent

Filing

04/23/1984

Publication

11/27/1984

Progress at the INPI

  1. Filing04/23/84
  2. Publication11/27/84
  3. Examination08/26/86
  4. Allowance10/03/89
  5. Grant03/20/90
  6. Terminated05/07/96

The patent was granted on 03/20/1990 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

G. R. (pessoa física)

DE

W. R. (pessoa física)

DE

Technical data

Priority claims

DE

P 33 14 816.3 · 04/23/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Publicação do pedido de patente

#3.1

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Anuidade - prazo legal encerrado

#18.2

05/07/1996

RPI 1327

Republicação - classificação IPC

#15.11

08/06/1991

RPI 1079

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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