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Official data from INPI

ESTAÇÃO PARA ALIMENTAR INSETOS E ARTIGOS PARA MANUFATURA

ConcedidaInvention Patent

Application data

Number

PI8201935

Type

Invention Patent

Filing

04/05/1982

Publication

03/08/1983

Progress at the INPI

  1. Filing04/05/82
  2. Publication03/08/83
  3. Examination04/09/85
  4. Allowance05/31/88
  5. Grant09/27/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

E. M. (pessoa física)

US

E. B. (pessoa física)

US

K. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

251,672 · 04/06/1981

US

251,684 · 04/06/1981

US

251,686 · 04/06/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

100

05/31/1988

RPI 919

Petição de recurso

#12.2

11/24/1987

RPI 892

Indeferimento

#9.2

08/04/1987

RPI 876

Conhecimento de parecer técnico

#7.1

12/23/1986

RPI 844

Conhecimento de parecer técnico

#7.1

01/07/1986

RPI 794

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

03/08/1983

RPI 646

Pedido de patente depositado

#2.1

05/25/1982

RPI 605

Carta-patente expirada

#21.1

Patente extinta em 05/04/97

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

07/09/1991

RPI 1075

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