Calibrated tubular elastic exercising device
US4570921A · kind A · utility
7Cited by
11References
2Claims
0Family size
Inventor
Key dates
| Filing date | Dec 19, 1983 |
| Grant date | Feb 18, 1986 |
| Priority date | — |
| Expiry date | Dec 19, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2208/0204
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
For use in a program of physical exercise, a hollow cylindrical tube made of rubber, which tube is calibrated along its outer surface with an 0 permanently imprinted at the midpoint between the ends of the tube and the numerals 1, 2, 3 and 4 imprinted along the outer surface of the tube at spaced intervals from the midpoint of the tube. The tube is approximately 75 inches in length and has an outer diameter of 7/8ths of an inch and an inner diameter of 3/4ths of an inch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.