US4351526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dumbells
Assignee: Individual
•
Filing: 1980-03-05
•
Granted: 1982-09-28
•
Expires: 2000-03-05
Abstract
Abstract A dumbell structure is provided particularly adapted for aerobic and related extended-type exercises comprising an elongate body member having a soft, resilient central hand portion, a threaded end at each end of said hand portion, a pair of removable weights threaded on said threaded ends, and an adjustable hand engaging means engaged at each end of said hand portion extending outwardly transversely to the hand portion and then generally parallel thereto to pass around the back of the hand between the knuckles and wrist of a user.
Inventors
- 👤 Leonard Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:44
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/06; A63B21/072; A63B21/0726; A63B21/40; A63B21/4001; A63B21/4017; A63B21/4019; A63B21/4027; A63B21/4033; A63B21/4035
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
159 words
A dumbell structure particularly adapted for aerobic and related extended time type exercise comprising an elongate rigid body member having a soft, resilient outer covering at the central hand gripping portion thereof, a threaded portion at each end of said body member, a removable weight threaded on each of said threaded ends, and soft conformable hand engaging means engaged at each end of said rigid body member and extending outwardly transversely to said hand gripping portion and then generally parallel thereto to pass around and tightly conform to the back of the hand between the knuckles and wrist of a user, said central gripping hand portion and said hand engaging portion having sufficient resilience between and being spaced apart a sufficient distance so as to engage the hand of a user in such a manner that the structure is capable of being held on the hand without gripping by the fingers and without obstructing blood flow to the hand.
Claim 2
Dependent Claim
159 words
A dumbell structure particularly adapted for aerobic and related extended time type exercise comprising an elongate rigid body member having a soft, resilient outer covering at the central hand gripping portion thereof, a threaded portion at each end of said body member, a removable weight threaded on each of said threaded ends, and soft conformable hand engaging means engaged at each end of said rigid body member and extending outwardly transversely to said hand gripping portion and then generally parallel thereto to pass around and tightly conform to the back of the hand between the knuckles and wrist of a user, said central gripping hand portion and said hand engaging portion having sufficient resilience between and being spaced apart a sufficient distance so as to engage the hand of a user in such a manner that the structure is capable of being held on the hand without gripping by the fingers and without obstructing blood flow to the hand.
Claim 3
Dependent Claim
29 words
A dumbell as claimed in claim 1 wherein the hand engaging means is an elongate strap having openings at opposite ends for engaging the ends of the hand portion.
Claim 4
Dependent Claim
18 words
A dumbell as claimed in claim 2 wherein said strap has a resilient pad means intermediate its ends.
Claim 5
Dependent Claim
43 words
A dumbell as claimed in one of claims 1 or 2 or 3 wherein the central hand portion is formed of plastic and the central hand portion has an axial bore carrying a rod threaded at each end to receive the removable weights.
Claim 6
Dependent Claim
27 words
A dumbell as claimed in claim 1 or 2 or 3 wherein the central hand portion is molded with ridges and valleys contoured to a user's hand.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-09-27 | 1986-03-29 | 1986-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-09-27 | 1990-03-29 | 1990-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-09-27 | 1994-03-29 | 1994-09-28 | $7700.00 | Window Closed / Lapsed |