When can an ordinary word such as window be granted trademarkprotection?a. In an

When can an ordinary word such as window be granted trademarkprotection?a. In any situation if the applicant is the firstto apply for trademark protection of that wordb. If the applicant can prove that the use of theword is novelc. If the word has acquired a secondarymeaningd. If the applicant has used the word in the nameof its product for at least 10 years