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Official data from INPI

APARELHO ACIONADOR DE CAME DE CILINDRO.

Em AnáliseInvention Patent

Application data

Number

PI8602161

Type

Invention Patent

Filing

05/13/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing05/13/86
  2. Publication03/17/87
  3. Examination05/30/89
  4. Allowance05/01/90
  5. Grant11/27/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

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Inventors

J. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

769.526 · 08/26/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/30/1989

RPI 971

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

11/11/1986

RPI 838

Carta-patente expirada

#21.1

Patente extinta em 13/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/01/1990

RPI 1016

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