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Official data from INPI

MÁQUINA APLICÁVEL NO BISELAMENTO DAS RÉGUAS FORMADORAS DE METRO-DE-PEDREIRO

Prazo de SigiloUtility Model

Application data

Number

MU6802340

Type

Utility Model

Filing

10/25/1988

Publication

06/12/1990

Progress at the INPI

  1. Filing10/25/88
  2. Publication06/12/90
  3. Examination01/14/92
  4. Allowance04/27/93
  5. Grant11/30/93
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. S. (pessoa física)

RJ, BR

Inventors

J. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Carta-patente expirada

#21.1

Patente extinta em 25/10/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

11/30/1993

RPI 1200

Notificação para pagamento de retribuição

#13.1

08/24/1993

RPI 1186

Deferimento

#9.1

04/27/1993

RPI 1169

Solicitação de exame técnico

#4.1

01/14/1992

RPI 1102

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

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