Official data from INPI

COMPOSIÇÃO ABRASIVA ESTERIL PARA LIMPEZA DE UMA LENTE DE CONTADO, E PROCESSO DE REMOÇÃO DE DEPÓSITOS SUPERFICIAIS DE UMA LENTE DE CONTATO.

PublicadaInvention Patent

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Application data

Number

PI8800640

Type

Invention Patent

Filing

02/12/1988

Publication

09/27/1988

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Progress at the INPI

Filing02/12/88
Publication09/27/88
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 02/12/1988 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Barnes-Hind, INC.

Inventors

N. F. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

C11D 3/14

Priority claims

014,756 · 02/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/27/1988

RPI 936

Pedido de patente depositado

#2.1

05/24/1988

RPI 918

Arquivamento - Art. 33 da LPI

#11.1

06/11/1991

RPI 1071

From the same holder

POLÍMEROS HIDRÓFILOS E LENTES DE CONTATO FEITAS COM ESTES.

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