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Official data from INPI

RESINA, LENTE DE PLÁSTICO, E PROCESSO DE PREPARAÇÃO DE UMA LENTE

PublicadaInvention Patent

Application data

Number

PI8900710

Type

Invention Patent

Filing

02/17/1989

Publication

10/17/1989

Progress at the INPI

  1. Filing02/17/89
  2. Publication10/17/89
  3. Abandoned08/14/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mitsui Toatsu Chemicals, Incorporated

JP

See this company's full portfolio

Inventors

K. S. (pessoa física)

JP

K. O. (pessoa física)

JP

N. K. (pessoa física)

JP

T. N. (pessoa física)

JP

T. M. (pessoa física)

JP

Y. K. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

32842/88 · 02/17/1988

JP

33871/88 · 02/18/1988

JP

33872/88 · 02/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/17/1989

RPI 991

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

11.31

01/21/1998

RPI 1413

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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