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Official data from INPI

MEIO DE CORREÇÃO POR DESPRENDIMENTO, MEDIANTE IMPACTO

Em ExigênciaInvention Patent
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Application data

Number

PI8304940

Type

Invention Patent

Filing

09/12/1983

Publication

05/22/1984
View on INPI

Progress at the INPI

  1. Filing09/12/83
  2. Publication05/22/84
  3. Examination07/01/86
  4. Allowance02/06/90
  5. Grant06/26/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/20/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

T. F. (pessoa física)

US

Technical data

IPC Classification

B32B 27/34B41M 5/16

Priority claims

US

419.101 · 09/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

07/01/1986

RPI 819

Publicação do pedido de patente

#3.1

05/22/1984

RPI 709

Pedido de patente depositado

#2.1

11/08/1983

RPI 681

Carta-patente expirada

#21.1

Patente extinta em 12/09/98

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

10/26/1993

RPI 1195

Concessão da patente

#16.1

06/26/1990

RPI 1024

Deferimento

#9.1

02/06/1990

RPI 1005

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