Us patent 3 014 911 cyproheptadine filing date?

What is US Patent 3,014,911’s filing date?

US Patent 3,014,911 (cyproheptadine) has a filing date of June 23, 1953. [1]

When was it filed vs. when was it granted?

The patent’s filing date is June 23, 1953, and the patent was granted on December 26, 1961. [1]

Where can I verify the patent bibliographic details?

You can verify the bibliographic data (including filing and grant dates) on the USPTO/Google Patents record for US 3014911. [1]

Sources:
[1] https://patents.google.com/patent/US3014911A/en