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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8401362

Type

Invention Patent

Filing

03/23/1984

Publication

10/30/1984

Progress at the INPI

  1. Filing03/23/84
  2. Publication10/30/84
  3. Examination09/09/86
  4. Allowance06/28/88
  5. Grant03/28/89
  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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uss Engineers And Consultants, Inc.

US

See this company's full portfolio

Inventors

K. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

09/09/1986

RPI 829

Publicação do pedido de patente

#3.1

10/30/1984

RPI 732

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

Carta-patente expirada

#21.1

Patente extinta em 23/03/99

07/08/2008

RPI 1957

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