Patent · US Active

Retractable boundary apparatus and system

US11731451B2 · kind B2 · utility

0Cited by
67References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 2021
Grant dateAug 22, 2023
Priority date
Expiry dateJun 4, 2041

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB43L1/123
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

Certain embodiments of the invention include an apparatus for creating a line. Certain embodiments of an apparatus include two or more reels having an extendable and retractable cord. Pulling the two or more reels apart allows for the creation of a line of various sizes. In certain embodiments, the two reels share a single cord. In certain embodiments, a first reel has a first cord with a first attachment end that joins with another attachment end. Certain embodiments include a reel with a magnet, allowing attachment to a magnetic surface. Certain embodiments of the invention include a system for creating a line. In certain embodiments, the system includes an apparatus, and a pin having a magnet. Certain embodiments of the pin help to change the direction of the cord.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.