April 4 (Reuters) - Federal appeals court judges on Tuesday appeared skeptical of 3M's (MMM.N) bid to use the bankruptcy of its subsidiary Aearo Technologies to shield itself from nearly 260,000 lawsuits over allegedly defective military-issue earplugs. Circuit Court of Appeals in Chicago to reverse a bankruptcy court order allowing the lawsuits to move forward against 3M, even though Aearo is bankrupt. Aearo and 3M said the bankruptcy process would facilitate a fair and comprehensive settlement with the plaintiffs. David Frederick, representing the plaintiffs, told the panel that 3M "contrived this bankruptcy to help itself, not Aearo or its creditors." The next-largest MDL, the Johnson & Johnson talc litigation, has 38,000 cases.

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