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Official data from INPI

PROCESSO DE TRATAR SEMENTES OU CEREAIS PARA ACELERAR A GERMINACAO NATURAL,E,SEMENTES OU CEREAIS

ConcedidaInvention Patent

Application data

Number

PI7908091

Type

Invention Patent

Filing

12/11/1979

Publication

-

Progress at the INPI

  1. Filing12/11/79
  2. Publication
  3. Examination04/05/83
  4. Allowance09/15/87
  5. Grant04/26/88
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MAXWELL DAVIDSON LTD [GB]

Inventors

D. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Republicação - classificação IPC

#15.11

09/15/1987

RPI 882

Deferimento

#9.1

09/15/1987

RPI 882

Exigência - art. 36 da LPI

#6.1

02/20/1985

RPI 748

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

04/05/1983

RPI 650

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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