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Official data from INPI

MÁQUINA DE LIMPEZA E REPAROS DE TUBULAÇÕES INACESSÍVEIS AO HOMEM

Arquivada/ExtintaInvention PatentPCT · CH1987000162

Application data

Number

PI8707811

Type

Invention Patent

Filing

11/27/1987

Publication

10/31/1989

PCT

CH1987000162

Progress at the INPI

  1. Filing11/27/87
  2. Publication10/31/89
  3. Examination07/16/91
  4. Allowance09/15/92
  5. Grant05/25/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sika Robotics Ag.

CH

Inventors

A. S. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1222/87-0 · 03/31/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 27/11/2002

07/29/2008

RPI 1960

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

14.4

12/17/1991

RPI 1098

14.7

12/17/1991

RPI 1098

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

14.1

03/19/1991

RPI 1059

20.3

10/09/1990

RPI 1036

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