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Official data from INPI

PROCESSO PARA A FIXAÇÃO, HERMÉTICA A ÓLEO E GÁS, DE UM DIAFRAGMA DE MATERIAL ELASTOMÉRICO E DISPOSITIVO DE COMPENSAÇÃO DE FOLGA DE VÁLVULA

Em AnáliseInvention Patent

Application data

Number

PI8700662

Type

Invention Patent

Filing

02/12/1987

Publication

12/15/1987

Progress at the INPI

  1. Filing02/12/87
  2. Publication12/15/87
  3. Examination10/31/89
  4. Allowance05/28/91
  5. Grant02/18/92
  6. Terminated06/25/96

The patent was granted on 02/18/1992 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Goetze Ag

DE

Inventors

H. D. (pessoa física)

DE

K. P. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 04 479.2 · 02/13/1986

DE

P 36 06 824.1 · 03/03/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

12/15/1987

RPI 895

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

02/18/1992

RPI 1107

Notificação para pagamento de retribuição

#13.1

09/10/1991

RPI 1084

Deferimento

#9.1

05/28/1991

RPI 1069

Exigência - art. 36 da LPI

#6.1

11/27/1990

RPI 1043

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