Patent US4984784A successfully refreshed from Google Patents.
US4984784A
Expired / Lapsed
US
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Apparatus for exercising and conditioning a hand
Assignee: Individual
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Filing: 1990-03-09
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Granted: 1991-01-15
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Expires: 2010-03-09
Abstract
Abstract A three part apparatus for exercising and conditioning the hand of the user including a first metal sphere, a second metal sphere and a pivot ring positioned between, and touching, the first and the second sphere, the pivot ring being generally circular in shape and having a hole in the center thereof for receipt of a portion of each sphere, the pivot ring having two parallel faces which are perpendicular to the central longitudinal axis of the pivot ring and a magnet therein for holding said pivot ring to one of the spheres.
Inventors
- 👤 Arthur Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:25
CPC Classifications
A; A63; A63B; A63B23/00; A63B23/035; A63B23/12; A63B23/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A three part apparatus adapted to be completely held in one hand of the user for exercising and conditioning the hand of the user comprising, in combination: a. a first metal sphere, b. a second metal sphere, and c. a pivot ring positioned between, and touching, said first and said second spheres, said pivot ring being generally circular in shape and having a hole in the center thereof for receipt of a portion of each of said spheres, said pivot ring having two parallel forces which are perpendicular to the central longitudinal axis of said pivot ring, said pivot ring having a magnet therein which has sufficient magnetic force to hold said pivot ring to said first or said second sphere.
Claim 2
Dependent Claim
121 words
A three part apparatus adapted to be completely held in one hand of the user for exercising and conditioning the hand of the user comprising, in combination: a. a first metal sphere, b. a second metal sphere, and c. a pivot ring positioned between, and touching, said first and said second spheres, said pivot ring being generally circular in shape and having a hole in the center thereof for receipt of a portion of each of said spheres, said pivot ring having two parallel forces which are perpendicular to the central longitudinal axis of said pivot ring, said pivot ring having a magnet therein which has sufficient magnetic force to hold said pivot ring to said first or said second sphere.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-01-14 | 1994-07-16 | 1995-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-14 | 1998-07-16 | 1999-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-14 | 2002-07-16 | 2003-01-15 | $7700.00 | Window Closed / Lapsed |