Official data from INPI

OBJETIVA ACROMATICA DE MICROSCOPIO COM TRES ELEMENTOS DE LENTES

Em AnáliseInvention Patent

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Application data

Number

PI7802638

Type

Invention Patent

Filing

04/28/1977

Publication

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Progress at the INPI

Filing04/28/77
Publication
Examination
Allowance03/09/82
Grant
Terminated10/03/89

The patent was granted and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. C. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Notificação para pagamento de retribuição

#13.1

06/29/1982

RPI 610

Deferimento

#9.1

03/09/1982

RPI 594

From the same holder

OBJETIVA DE IMERSAO TUBO ESTEREOSCOPICO PARA MICROSCOPIO MICROSCOPIO DE ILUMINACAO EM MODALIDADE DE CONSTRUCAO INVERTIDA MICROSCOPIO COMPARADOR APERFEICOADO

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