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Official data from INPI

EMBREAGEM DE FRICÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8904778

Type

Invention Patent

Filing

09/21/1989

Publication

05/01/1990

Progress at the INPI

  1. Filing09/21/89
  2. Publication05/01/90
  3. Examination08/21/90
  4. Allowance08/11/92
  5. Grant04/27/93
  6. Terminated10/24/95

The patent was granted on 04/27/1993 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: 10/24/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Carl Hurth Maschinen-Und Zahnradfabrik GmbH & Co

DE

Inventors

E. M. (pessoa física)

J. E. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 38 32 288.9 · 09/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

08/11/1992

RPI 1132

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

Publicação do pedido de patente

#3.1

05/01/1990

RPI 1016

Pedido de patente depositado

#2.1

03/13/1990

RPI 1009

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