Grace period in H1B

If you were working for company B at the time of the denial, then the grace period should start when USCIS denied the case.

USCIS online case status error on delivery date?

Save your proof of delivery showing USCIS received the Request for Evidence on time if your case is denied in the future. At that time, you can...

Concurrent filing for parents - my main forms are i-485 and i-130 right ? should i pay for both forms ? how long the process ?

There is only one I-485 form. Processing times for this type of case can be anywhere between 4-12 months, but if case not filed properly there...

If you are deported, you will not be eligible for citizenship. It means the government is taking your lawful permanent resident status away. What...

How long after remarrying can I apply for citizenship?

Since you meet the five year requirement and are not applying under 3 year bona fide marriage category, you do not have to wait a certain time...

For form I-485, my husband is a US citizen. I am international. What do I need to put in part 2

I agree with the answer above, you should consult and hire with an immigration attorney to avoid costly delays.

When is next oath ceremony at Memphis USCIS.

Hopefully soon, they are usually done once per month.

Is it legal to overstay my visa in US after filing I-485 for permanent residency.

Yes, you can stay in the U.S. If possible, it is better to stay in F status until AOS is approved - as a safetynet.

If I didn't pass my stoke interview, what are my options to stay in US.

Try to hire an immigration attorney that can prepare and attend interview with you.

Can I go out of the country with my residency card ?

Temporary green card holders can travel. Make sure you bring proof of your extension.