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Official data from INPI

MÉTODO E DISPOSIÇÃO DE CIRCUITOS PARA A SOMA DE NÚMEROS COM PONTO FLUTUANTE

PublicadaInvention Patent

Application data

Number

PI8705232

Type

Invention Patent

Filing

10/02/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/02/87
  2. Publication05/24/88
  3. Examination09/25/90
  4. Allowance12/07/93
  5. Grant06/28/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

A. G. (pessoa física)

DE

D. U. (pessoa física)

DE

H. B. (pessoa física)

DE

S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

86115152.0 · 10/31/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

01/05/1988

RPI 898

Carta-patente expirada

#21.1

Patente extinta em 02/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/28/1994

RPI 1230

Deferimento

#9.1

12/07/1993

RPI 1201

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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