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Official data from INPI

PANELA DE PRESSÃO

Em AnáliseInvention Patent

Application data

Number

PI8801037

Type

Invention Patent

Filing

03/09/1988

Publication

10/18/1988

Progress at the INPI

  1. Filing03/09/88
  2. Publication10/18/88
  3. Examination05/30/89
  4. Allowance11/05/91
  5. Grant09/29/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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

Wmf Wuerttembergische Metallwarenfabrik Ag

DE

Inventors

E. R. (pessoa física)

DE

J. K. (pessoa física)

DE

S. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

87 103.357.7 · 03/09/1987

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

10/18/1988

RPI 939

Pedido de patente depositado

#2.1

05/17/1988

RPI 917

Carta-patente expirada

#21.1

Patente extinta em 09/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

03/17/1992

RPI 1111

Deferimento

#9.1

11/05/1991

RPI 1092

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