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Official data from INPI

RECIPIENTE E PROCESSO DE RECRAVAÇÃO DAS EXTREMIDADES DO MESMO

DeferidaInvention Patent

Application data

Number

PI8405613

Type

Invention Patent

Filing

11/01/1984

Publication

06/10/1986

Progress at the INPI

  1. Filing11/01/84
  2. Publication06/10/86
  3. Examination07/19/88
  4. Allowance08/22/89
  5. Grant04/24/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rheem Metalúrgica S/A

RJ, BR

Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/22/1989

RPI 983

Solicitação de exame técnico

#4.1

07/19/1988

RPI 926

Publicação do pedido de patente

#3.1

06/10/1986

RPI 816

Pedido de patente depositado

#2.1

01/22/1985

RPI 744

Carta-patente expirada

#21.1

Patente extinta em 01/11/99

07/08/2008

RPI 1957

Pedido de licença compulsória

#20.1

08/14/1990

RPI 1028

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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