実用 じつよう新案 しんあん登録 とうろくじゃなかったです
jitsuyō shin'antōrokujanakattadesu

Noun
Desu Copula

The polite, past negative form of 実用新案登録

1. Was not a utility model registration.; Wasn't registered as a utility model.

Past/Perfective
Negative
Polite
Casual Register