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Official data from INPI

CABO SÍSMICO MARÍTIMO E PROCESSO PARA EXECUTAR UMA MEDIÇÃO SÍSMICA MARÍTIMA

Arquivada/ExtintaInvention PatentPCT · NO1990000157

Application data

Number

PI9007780

Type

Invention Patent

Filing

10/22/1990

Publication

07/21/1992

PCT

NO1990000157

Progress at the INPI

  1. Filing10/22/90
  2. Publication07/21/92
  3. Examination07/27/93
  4. Allowance12/20/94
  5. Grant07/25/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

NO

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Inventors

B. S. (pessoa física)

NO

E. B. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

894261 · 10/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/10/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

05/02/1995

RPI 1274

Deferimento

#9.1

12/20/1994

RPI 1255

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Notificação de entrada na fase nacional - PCT

#1.3

07/21/1992

RPI 1129

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