Official data from INPI

PROCESSO PARA A PRODUCAO DE GLICEROL

Em AnáliseInvention Patent

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Application data

Number

PI7703670

Type

Invention Patent

Filing

06/06/1976

Publication

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Progress at the INPI

Filing06/06/76
Publication
Examination
Allowance08/24/82
Grant02/22/83
Expired07/06/93

The letters patent expired on 07/06/1993: 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: 04/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

YEDA RES & DEV

Inventors

A. M. (pessoa física)

B. A. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

22.9

04/26/1983

RPI 653

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

02/09/1982

RPI 590

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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