Official data from INPI

SEM TITULO

Concessão AnuladaInvention Patent

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Application data

Number

PI7808698

Type

Invention Patent

Filing

10/20/1978

Publication

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Progress at the INPI

Filing10/20/78
Publication
Examination
Allowance04/19/83
Grant10/25/83
Terminated05/04/93

The patent was granted on 10/25/1983 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: 01/10/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vsesojuzny Naushno - I.I.I.V.N.K. I Podzemnogo K.N.I.S. (Vniipromgaz)

Inventors

F. N. (pessoa física)

K. E. (pessoa física)

Z. K. (pessoa física)

Technical data

IPC Classification

C10J 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

01/10/1984

RPI 690

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

Anuidade - prazo legal encerrado

#18.2

05/04/1993

RPI 1170

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