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Official data from INPI

MASSAS DE MOLDACAO DE POLISSILOXANAS E PROCESSO PARA A SUA PREPARACAO

ConcedidaInvention Patent

Application data

Number

PI8004487

Type

Invention Patent

Filing

07/21/1979

Publication

-

Progress at the INPI

  1. Filing07/21/79
  2. Publication
  3. Examination
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Terminated09/25/90

The patent was granted on 11/29/1988 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

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Inventors

A. T. (pessoa física)

D. B. (pessoa física)

S. H. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

09/08/1987

RPI 881

Concessão da patente

#16.1

06/26/1984

RPI 714

Conhecimento de parecer técnico

#7.1

11/08/1983

RPI 681

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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