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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8405500

Type

Invention Patent

Filing

10/29/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/29/84
  2. Publication09/03/85
  3. Examination12/03/85
  4. Allowance02/17/87
  5. Grant08/25/87
  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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Reliance Electric Industrial Company

US

Inventors

H. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Deferimento

#9.1

02/17/1987

RPI 852

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/15/1985

RPI 743

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Carta-patente expirada

#21.1

Patente extinta em 29/10/99

07/08/2008

RPI 1957

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