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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8205512

Type

Invention Patent

Filing

09/20/1982

Publication

02/28/1984

Progress at the INPI

  1. Filing09/20/82
  2. Publication02/28/84
  3. Examination05/27/86
  4. Allowance11/03/87
  5. Grant07/26/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Motoren-Werke Mannheim AG vorm Benz Abt Stationaerer Motorenbau

DE

Inventors

D. W. (pessoa física)

S. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

9.1.3

01/19/1988

RPI 900

Deferimento

#9.1

11/03/1987

RPI 889

Exigência - art. 36 da LPI

#6.1

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

02/28/1984

RPI 697

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

Carta-patente expirada

#21.1

Patente extinta em 20/09/97

07/01/2008

RPI 1956

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