Cyproheptadine us patent 3 014 911 filing date?

What is the filing date for U.S. Patent 3,014,911 (cyproheptadine)?

U.S. Patent No. 3,014,911 lists its filing date as March 8, 1961. [1]

When was it filed vs. when was it granted?

The same U.S. Patent 3,014,911 was filed on March 8, 1961 and later granted on December 19, 1961. [1]

Where can you verify the patent details?

You can verify the filing and grant dates in the patent record here: [1]

Sources:
[1] https://www.drugpatentwatch.com/p/cyproheptadine-patent/US3014911