How to know if loan is Statue Barred

I have recently been having problems with a student loan collections. I obtained a student loan in 1998 and was done in 1999. I have had several interest relief application done from 1999 to 2003. When my husband and i claimed bankruptcy in 2003 it was included in the bankruptcy but not cleared. A couple of years later a collection angency called about the debt. I got some advice from a paralegal to make small payment until a 10 period was up in order to include it in the bankruptcy. (It changed to what i believe 7 years). I went to contact the paralegal and he was disquailified for illegal practices. (out $500 dollars). I continued to make the small payments until recently one of the creditors started harassing me. I'm not sure what step to take. Was told i could try having it included in previous bankruptcy under the hardship application. But i'm not sure if the loans are statued barred. I have read that there is a 6 year limitation prior to 2002. My loans are approx. 3500 and 8000. I told the one creditor that i can only afford the $10.00 payment which i've been paying for a while. The other one i pay $30.00 a month and i havn't heard from them. The one creditor pulled a credit report on me and said i have to pay more because i have credit cards. Told them i can only afford $10.00 dollars. I want to stop paying alltogether if the loans are statue barred. I'm not sure if this is the right step. 

Ok Ty. I will keep searching.