USPTO Overview of the Application Process
https://www.uspto.gov/patents/basics/patent-process-overview
Filing on-line at the USPTO
https://www.uspto.gov/patents/apply
https://www.patentbots.com/stats/uspto-grant-rates
Fees
https://www.uspto.gov/learning-and-resources/fees-and-payment/uspto-fee-schedule
Forms
https://www.uspto.gov/patents/apply/forms/forms-patent-applications-filed-or-after-september-16-2012
Information Disclosure Statements (IDS)
For US and Foreign Patents and Publications: https://www.uspto.gov/sites/default/files/documents/sb0008a.pdf
For Non-Patent Literature and Documents: https://www.uspto.gov/sites/default/files/documents/sb0008b.pdf

