(December 11, 2015, 1:03 PM EST) -- SAN FRANCISCO — A California federal judge on Dec. 9 expanded the class of drivers who have driven in California for Uber Technologies Inc. and allege that they were improperly classified as independent contractors and denied reimbursement for all necessary expenditures, as well the full amount of gratuity left by customers (Douglas O’Connor, et al. v. Uber Technologies, Inc., No. 13-3826, N.D. Calif.; 2015 U.S. Dist. LEXIS 165182)....