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Official data from INPI

CONJUNTO RESERVATORIO PARA UM CILINDRO MESTRE

ConcedidaInvention Patent

Application data

Number

PI8305533

Type

Invention Patent

Filing

10/04/1982

Publication

05/15/1984

Progress at the INPI

  1. Filing10/04/82
  2. Publication05/15/84
  3. Examination07/29/86
  4. Allowance12/29/87
  5. Grant09/27/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BENDIX CORP [US]

See this company's full portfolio

Inventors

G. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

05/26/1987

RPI 866

Solicitação de exame técnico

#4.1

07/29/1986

RPI 823

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Pedido de patente depositado

#2.1

12/20/1983

RPI 687

Carta-patente expirada

#21.1

Patente extinta em 04/10/98

08/19/2008

RPI 1963

18.8

04/28/1992

RPI 1117

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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