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Official data from INPI

MÁQUINA/MOTOR DE ÊMBOLOS ROTO-ALTERNATIVOS

Em AnáliseInvention Patent
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Application data

Number

PI8707191

Type

Invention Patent

Filing

04/03/1987

Publication

06/14/1988
View on INPI

Progress at the INPI

  1. Filing04/03/87
  2. Publication06/14/88
  3. Examination11/28/89
  4. Allowance12/22/92
  5. Grant06/29/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. W. (pessoa física)

CH

Inventors

I. W. (pessoa física)

CH

Technical data

IPC Classification

F01B 3/08F02B 75/26F02B 75/28

Priority claims

CH

1316/86-2 · 04/04/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/28/1989

RPI 997

Notificação de entrada na fase nacional - PCT

#1.3

06/14/1988

RPI 921

Carta-patente expirada

#21.1

Patente extinta em 03/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

04/27/1993

RPI 1169

Deferimento

#9.1

12/22/1992

RPI 1151

Exigência - art. 36 da LPI

#6.1

02/18/1992

RPI 1107

Exigência - art. 36 da LPI

#6.1

08/27/1991

RPI 1082

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