US3870328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Practice weight for ice skates
Assignee: Individual
•
Filing: 1973-02-02
•
Granted: 1975-03-11
•
Expires: 1993-02-02
Abstract
Abstract A weight is made in two portions with a semi-cylindrical bore through each portion. These portions fit around the center tube of an ice skate and are clamped thereto by means of a wing nut and bolt. Skating with the weight strengthens the leg muscles and improves the skating action.
Inventors
- 👤 John F Gemmel
- 👤 Charles C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:52
CPC Classifications
A; A63; A63C; A63C3/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
87 words
A practice weight for detachable securement to the central longitudinal tube of ice skates immediately above the skate blade holder comprising a pair of weight portions, means on said portions engaging around the central tube of the associated skate and means cooperating between said portions to detachably clamp same to said tube, each of said portions being provided with an arcuately curved outer surface when viewed in end elevation, the ends of said portions being rounded whereby said weight, when installed, presents a smoothly curved outer surface.
Claim 2
Dependent Claim
87 words
A practice weight for detachable securement to the central longitudinal tube of ice skates immediately above the skate blade holder comprising a pair of weight portions, means on said portions engaging around the central tube of the associated skate and means cooperating between said portions to detachably clamp same to said tube, each of said portions being provided with an arcuately curved outer surface when viewed in end elevation, the ends of said portions being rounded whereby said weight, when installed, presents a smoothly curved outer surface.
Claim 3
Dependent Claim
87 words
A practice weight for detachable securement to the central longitudinal tube of ice skates immediately above the skate blade holder comprising a pair of weight portions, means on said portions engaging around the central tube of the associated skate and means cooperating between said portions to detachably clamp same to said tube, each of said portions being provided with an arcuately curved outer surface when viewed in end elevation, the ends of said portions being rounded whereby said weight, when installed, presents a smoothly curved outer surface.
Claim 4
Dependent Claim
87 words
A practice weight for detachable securement to the central longitudinal tube of ice skates immediately above the skate blade holder comprising a pair of weight portions, means on said portions engaging around the central tube of the associated skate and means cooperating between said portions to detachably clamp same to said tube, each of said portions being provided with an arcuately curved outer surface when viewed in end elevation, the ends of said portions being rounded whereby said weight, when installed, presents a smoothly curved outer surface.
Claim 5
Dependent Claim
69 words
The weight according to claim 1 in which each of said portions comprises a longitudinally extending member, a longitudinally extending semi-cylindrical bore formed within one face of said member and adjacent to but spaced upwardly from the lower edge thereof, the wall of said bores engaging around said tube, the lower edges of said portions engaging against the blade holder of the associated skate, one upon each side thereof.
Claim 6
Dependent Claim
50 words
The weight according to claim 1 in which said means to detachably clamp said portions longitudinally around said tube includes a wing nut and bolt assembly extending transversely through said portions above said bores, said wing nut and the ends of said bolt being recessed within said portions when installed.
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) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |