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Official data from INPI

PRENSA ROTATIVA PARA FABRICAÇÃO DE TELHAS

Prazo de SigiloInvention Patent

Application data

Number

PI8802643

Type

Invention Patent

Filing

05/26/1988

Publication

01/09/1990

Progress at the INPI

  1. Filing05/26/88
  2. Publication01/09/90
  3. Examination03/19/91
  4. Allowance01/18/94
  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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mecânica Bonfanti S/A

SP, BR

Inventors

F. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Carta-patente expirada

#21.1

Patente extinta em 26/05/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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