Official data from INPI

BIODIGESTOR E CONJUNTO DE BIODIGESTÃO.

ConcedidaUtility Model

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Application data

Number

MU6200776

Type

Utility Model

Filing

06/02/1982

Publication

10/05/1982

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Progress at the INPI

Filing06/02/82
Publication10/05/82
Examination12/14/82
Allowance06/11/85
Grant12/31/85
Expired12/07/93

The letters patent expired on 12/07/1993: 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. J. (pessoa física)

Inventors

F. B. (pessoa física)

Technical data

IPC Classification

C02F 3/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

09/24/1985

RPI 779

Deferimento

#9.1

06/11/1985

RPI 764

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Publicação antecipada

#3.2

10/05/1982

RPI 624

Pedido de patente depositado

#2.1

07/20/1982

RPI 613

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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