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Official data from INPI

MECANISMO DE AJUSTE PARA CABEÇOTE REGULÁVEL

Prazo de SigiloInvention Patent
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Application data

Number

PI8803278

Type

Invention Patent

Filing

07/01/1988

Publication

02/13/1990
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Progress at the INPI

  1. Filing07/01/88
  2. Publication02/13/90
  3. Examination03/12/91
  4. Allowance09/15/92
  5. Grant05/25/93
  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.

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Latest action published by the INPI: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cardoso Indústria e Comércio de Máquinas Ltda

SP, BR

Inventors

J. C. (pessoa física)

BR

Technical data

IPC Classification

B23B 25/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

12/06/1988

RPI 946

Carta-patente expirada

#21.1

Patente extinta em 01/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/15/1992

RPI 1137

Retificação

#15.6

12/24/1991

RPI 1099

Retificação

#15.3

10/01/1991

RPI 1087

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

Solicitação de exame não realizada

#4.2

10/30/1990

RPI 1039

Publicação do pedido de patente

#3.1

02/13/1990

RPI 1006

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