US4337961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skateboard
Assignee: Individual
•
Filing: 1979-11-16
•
Granted: 1982-07-06
•
Expires: 1999-11-16
Abstract
Abstract A skateboard includes conventional carriages and axles supported on the underside thereof. Each axle has a truck pivotally supported on either end and each truck includes front and rear wheels. Each of the four trucks is pivotal independently of each of the others and is spring biased in an intermediate position. An endless belt passes around and is supported by the wheels on each of the four trucks.
Inventors
- 👤 William J. Covert
- 👤 Melvyn B. Strickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:15
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/01; A63C17/011; A63C17/012; A63C17/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
154 words
In a skateboard including a footboard, front and rear under carriages mounted on the lower surface of said footboard, and front and rear axles carried by said front and rear carriages respectively wherein steering is accomplished by tilting of the footboard, the improvement comprising: right and left truck means pivotally mounted on each of said axles, each truck means being pivotally movable independently of each other truck means; each of said truck means including a longitudinally extending support member pivotally mounted on its respective axle adjacent the middle of said support member and including first wheel means mounted adjacent the forward end of said support member and second wheel means mounted adjacent the rearward end of said support member an endless belt passing around and being supported by said first and second wheel means of each of said truck means and spring means for biasing each of said truck means into an intermediate position.
Claim 2
Dependent Claim
154 words
In a skateboard including a footboard, front and rear under carriages mounted on the lower surface of said footboard, and front and rear axles carried by said front and rear carriages respectively wherein steering is accomplished by tilting of the footboard, the improvement comprising: right and left truck means pivotally mounted on each of said axles, each truck means being pivotally movable independently of each other truck means; each of said truck means including a longitudinally extending support member pivotally mounted on its respective axle adjacent the middle of said support member and including first wheel means mounted adjacent the forward end of said support member and second wheel means mounted adjacent the rearward end of said support member an endless belt passing around and being supported by said first and second wheel means of each of said truck means and spring means for biasing each of said truck means into an intermediate position.
Claim 3
Dependent Claim
30 words
In a skateboard as claimed in claim 1 wherein each endless belt includes means on the inner surface thereof for maintaining the same in proper alignment on said wheel means.
Claim 4
Dependent Claim
27 words
In a skateboard as claimed in claim 1 wherein each of said wheel means includes a pair of wheels mounted on either side of said support member.
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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) | 1985-07-05 | 1986-01-04 | 1986-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-05 | 1990-01-04 | 1990-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-05 | 1994-01-04 | 1994-07-06 | $7700.00 | Window Closed / Lapsed |