Official data from INPI

ELETRODO BIPOLAR E BATERIA SECUNDARIA

Em AnáliseInvention Patent

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Application data

Number

PI7801033

Type

Invention Patent

Filing

02/22/1977

Publication

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Progress at the INPI

Filing02/22/77
Publication
Examination
Allowance10/20/81
Grant04/26/83
Terminated02/25/86

The patent was granted on 04/26/1983 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. A. (pessoa física)

Inventors

C. P. (pessoa física)

Technical data

IPC Classification

H01M 10/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

02/25/1986

RPI 801

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Concessão da patente

#16.1

04/26/1983

RPI 653

14.1

12/07/1982

RPI 633

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

Deferimento

#9.1

10/20/1981

RPI 574

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