US3572702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barbell weight
Assignee: Individual
•
Filing: 1969-03-05
•
Granted: 1971-03-30
•
Expires: 1989-03-05
Abstract
Abstract A rubber tire to keep a filling plug in place in a hollow barbell weight filled with a weighting material through a filling opening in the hollow weight and having a plug to close the filling opening.
Inventors
- 👤 Harry M Dorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:01
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/06; A63B21/0601; A63B21/0603; A63B21/0604; A63B21/072; A63B21/0724; A63B71/00; A63B71/0054; A63B2071/0063
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
A hollow bar bell weight having a circular shape and molded of synthetic plastic and provided with a filling opening located on the outermost peripheral portion through which heavy material may be introduced into the hollow weight; a plug in said filling opening; and elastic band completely encircling the outermost peripheral portion of said hollow molded weight and positioned over the outer portion of said plug, to hold said plug in said opening.
Claim 2
Dependent Claim
73 words
A hollow bar bell weight having a circular shape and molded of synthetic plastic and provided with a filling opening located on the outermost peripheral portion through which heavy material may be introduced into the hollow weight; a plug in said filling opening; and elastic band completely encircling the outermost peripheral portion of said hollow molded weight and positioned over the outer portion of said plug, to hold said plug in said opening.
Claim 3
Dependent Claim
14 words
The bar bell weight of claim 1 wherein the elastic band is a tire.
Claim 4
Dependent Claim
15 words
The bar bell weight of claim 1 including a weighting material filling the hollow therein.
References Cited (Backward Citations)
US1438804A
Cited
US3226117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |