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Official data from INPI

PROCESSO DE PROSPECÇÃO GEOFÍSICA DE CORPOS DE MINÉRIOS POLIMINERAIS

Em AnáliseInvention Patent

Application data

Number

PI8507147

Type

Invention Patent

Filing

01/09/1985

Publication

03/31/1987

Progress at the INPI

  1. Filing01/09/85
  2. Publication03/31/87
  3. Examination10/06/87
  4. Allowance08/14/90
  5. Grant02/26/91
  6. Terminated08/15/95

The patent was granted on 02/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut Fiziki Zemli Imeni O. Ju. Shmidta Akademii Nauk SSSR

SU

Inventors

G. S. (pessoa física)

SU

V. L. (pessoa física)

SU

V. D. (pessoa física)

SU

Z. M. (pessoa física)

SU

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

03/31/1987

RPI 858

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

02/26/1991

RPI 1056

Notificação para pagamento de retribuição

#13.1

11/27/1990

RPI 1043

Deferimento

#9.1

08/14/1990

RPI 1028

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