Blocks assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10957219
APP PUB NO 20190172369A1
SERIAL NO

15830985

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A blocks assembly is provided. The assembly is formed of a base with an arch attached thereto. A number of blocks are slideably attached to the arch and confined by the base. The blocks can be slid from one side of the arch to the other. Markings on each side of the arch indicate how many blocks are on each side of the arch. Addition, subtraction, and general mathematical principles and relationships can be taught by movement and manipulation of the blocks.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
VLIET JOHNFAIRHAVEN MA

International Classification(s)

loading....
  • 2017 Application Filing Year
  • G09B Class
  • 1927 Applications Filed
  • 1167 Patents Issued To-Date
  • 60.57 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Vliet, John Fairhaven, US 2 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • G09B Class
  • 0 % this patent is cited more than
  • 4 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges59721917101 - 1011 - 2021 - 30050100150200250300350400450500550600650

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 23, 2028
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 23, 2032