Official data from INPI

APERFEICOAMENTOS EM SECADORES PARA CEREAIS,CAFE E OUTROS PRODUTOS GRANULADOS

Arquivada/ExtintaUtility Model

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Application data

Number

MU5701631

Type

Utility Model

Filing

12/28/1977

Publication

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Progress at the INPI

Filing12/28/77
Publication
Examination
Allowance09/14/82
Grant04/26/83
Expired08/16/88

The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ANDREA SA IND MAQUINAS

Inventors

A. T. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Cessão de direito de exploração

#22.1

09/02/1986

RPI 828

22.9

06/28/1983

RPI 662

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/14/1982

RPI 621

Exigência - art. 36 da LPI

#6.1

02/24/1982

RPI 592

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