Official data from INPI

GASOGÊNIO A LEITO FIXO.

ConcedidaInvention Patent

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Application data

Number

PI7907201

Type

Invention Patent

Filing

11/06/1979

Publication

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Progress at the INPI

Filing11/06/79
Publication
Examination10/05/82
Allowance01/31/84
Grant09/25/84
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.

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Latest action published by the INPI: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centre National D' Etudes Et D' Experimentation de Machinisme Agricole

Inventors

C. P. (pessoa física)

G. E. (pessoa física)

L. J. (pessoa física)

M. J. (pessoa física)

Technical data

IPC Classification

C10J 3/20

Priority claims

7831356 · 11/06/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

14.1

06/21/1983

RPI 661

Solicitação de exame técnico

#4.1

10/05/1982

RPI 624

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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