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Official data from INPI

PROCESSO PARA FABRICAR UM CONJUNTO DE CONCRETO PROTENDIDO

Arquivada/ExtintaInvention PatentPCT · US1988001128

Application data

Number

PI8807446

Type

Invention Patent

Filing

04/07/1988

Publication

05/15/1990

PCT

US1988001128

Progress at the INPI

  1. Filing04/07/88
  2. Publication05/15/90
  3. Examination12/04/90
  4. Allowance04/19/94
  5. Grant10/25/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. A. (pessoa física)

US

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Inventors

R. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

036,101 · 04/08/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/04/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

08/16/1994

RPI 1237

Deferimento

#9.1

04/19/1994

RPI 1220

Conhecimento de parecer técnico

#7.1

08/10/1993

RPI 1184

Solicitação de exame técnico

#4.1

12/04/1990

RPI 1044

Notificação de entrada na fase nacional - PCT

#1.3

05/15/1990

RPI 1018

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