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Official data from INPI

MODULO DE CELULAS SOLARES

Em AnáliseInvention Patent

Application data

Number

PI7904128

Type

Invention Patent

Filing

06/30/1978

Publication

-

Progress at the INPI

  1. Filing06/30/78
  2. Publication
  3. Examination05/11/82
  4. Allowance12/07/82
  5. Grant06/28/83
  6. Terminated06/14/88

The patent was granted on 06/28/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EXXON RESEARCH ENGINEERING CO

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Inventors

A. W. (pessoa física)

K. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

Solicitação de exame técnico

#4.1

05/11/1982

RPI 603

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