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Official data from INPI

CAIXA DE PAPELÃO E MATRIZ PARA A SUA FORMAÇÃO

Arquivada/ExtintaInvention PatentPCT · US1989001396

Application data

Number

PI8906926

Type

Invention Patent

Filing

04/06/1989

Publication

11/20/1990

PCT

US1989001396

Progress at the INPI

  1. Filing04/06/89
  2. Publication11/20/90
  3. Examination04/23/91
  4. Allowance10/25/94
  5. Grant06/27/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

L. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

187.810 · 04/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/04/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

03/01/1995

RPI 1265

Deferimento

#9.1

10/25/1994

RPI 1247

Conhecimento de parecer técnico

#7.1

03/08/1994

RPI 1214

Solicitação de exame técnico

#4.1

04/23/1991

RPI 1064

Notificação de entrada na fase nacional - PCT

#1.3

11/20/1990

RPI 1042

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