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Official data from INPI

APARELHO PARA A DISTRIBUIÇÃO DE QUANTIDADES DOSADAS DE MATERIAL GRANULAR

PublicadaInvention Patent

Application data

Number

PI8802500

Type

Invention Patent

Filing

06/29/1988

Publication

12/20/1988

Progress at the INPI

  1. Filing06/29/88
  2. Publication12/20/88
  3. Examination03/12/91
  4. Allowance05/11/93
  5. Grant05/31/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia Agro Ltda.

SP, BR

See this company's full portfolio

Inventors

J. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/051.935 · 05/19/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/20/1988

RPI 948

Pedido de patente depositado

#2.1

10/18/1988

RPI 939

Carta-patente expirada

#21.1

Patente extinta em 29/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/31/1994

RPI 1226

Notificação para pagamento de retribuição

#13.1

11/23/1993

RPI 1199

14.4

06/29/1993

RPI 1178

Deferimento

#9.1

05/11/1993

RPI 1171

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

14.4

08/21/1990

RPI 1029

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