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Official data from INPI

COMPOSIÇÃO DE TINTA EM EMULSÃO EM ÁGUA APERFEIÇOADA

ConcedidaInvention Patent

Application data

Number

PI8300401

Type

Invention Patent

Filing

01/27/1983

Publication

11/01/1983

Progress at the INPI

  1. Filing01/27/83
  2. Publication11/01/83
  3. Examination01/10/84
  4. Allowance01/03/89
  5. Grant08/29/89
  6. Terminated02/18/92

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elkem Metals Company

US

Inventors

B. M. (pessoa física)

US

G. S. (pessoa física)

US

K. C. (pessoa física)

US

N. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

343,550 · 01/28/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/16/1989

RPI 969

Deferimento

#9.1

01/03/1989

RPI 950

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Conhecimento de parecer técnico

#7.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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