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Official data from INPI

CILINDRO DE PRESSÃO LINEAR COMANDÁVEL

Prazo de SigiloInvention Patent

Application data

Number

PI8902708

Type

Invention Patent

Filing

06/08/1989

Publication

01/23/1990

Progress at the INPI

  1. Filing06/08/89
  2. Publication01/23/90
  3. Examination10/30/90
  4. Allowance06/01/93
  5. Grant11/30/93
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eduard Kusters Maschinenfabrik GmbH & CO Kg

DE

Inventors

G. S. (pessoa física)

K. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3820974.8 · 06/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/18/1989

RPI 978

Carta-patente expirada

#21.1

Patente extinta em 08/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

11/30/1993

RPI 1200

Notificação para pagamento de retribuição

#13.1

10/13/1993

RPI 1193

Deferimento

#9.1

06/01/1993

RPI 1174

Exigência - art. 36 da LPI

#6.1

10/20/1992

RPI 1142

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

Publicação do pedido de patente

#3.1

01/23/1990

RPI 1003

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