Invesco Unit Trusts Taxable Income Series 641: 497J filed Oct 21, 2022

Name: Invesco Unit Trusts Taxable Income Series 641 497J (0001528621-22-001574)
Creator: Invesco Unit Trusts Taxable Income Series 641
Published: 2022-10-21

Form type: 497J
Filing date: Oct 21, 2022
Accession number: 0001528621-22-001574
Filer: Invesco Unit Trusts Taxable Income Series 641 (CIK 1686061)