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Official data from INPI

PROCESSO DE FABRICACAO DE CARGAS DE PROPULSAO ISOLADAS, E CARGA DE PROPULSAO COM ENVOLUCRO ISOLANTE FABRICADA DE ACORDO COM ESTE PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8101051

Type

Invention Patent

Filing

02/21/1980

Publication

-

Progress at the INPI

  1. Filing02/21/80
  2. Publication
  3. Examination03/02/82
  4. Allowance09/15/87
  5. Grant02/23/88
  6. Terminated08/23/94

The patent was granted on 02/23/1988 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRB SA

Inventors

K. W. (pessoa física)

M. D. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Deferimento

#9.1

09/15/1987

RPI 882

Exigência - art. 36 da LPI

#6.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

04/08/1986

RPI 807

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

6.2

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

08/23/1994

RPI 1238

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