US3310320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skate board
Assignee: Individual
•
Filing: 1965-09-30
•
Granted: 1967-03-21
•
Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Ellis W Hanna
- 👤 Fred N Eley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:58
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/01; A63C17/014; A63C17/22; A63C17/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A SKATE BOARD COMPRISING A PLATFORM MEMBER, A PLURALITY OF OUTER CASTERS ATTACHED TO THE UNDERSIDE OF THE PLATFORM MEMBER AND DISPOSED AT THE APEXES OF AN EQUILATERAL TRIANGLE CONFIGURATION ON THE UNDERSIDE OF THE PLATFORM MEMBER, AND A CENTER CASTER ATTACHED TO THE UNDERSIDE OF THE PLATFORM MEMBER CENTRALLY OF THE TRIANGULAR ARRANGEMENT OF THE OUTER CASTERS AND EXTENDING A GREATER DISTANCE FROM THE PLATFORM MEMBER THAN THE OUTER CASTERS.
Claim 2
Dependent Claim
71 words
A SKATE BOARD COMPRISING A PLATFORM MEMBER, A PLURALITY OF OUTER CASTERS ATTACHED TO THE UNDERSIDE OF THE PLATFORM MEMBER AND DISPOSED AT THE APEXES OF AN EQUILATERAL TRIANGLE CONFIGURATION ON THE UNDERSIDE OF THE PLATFORM MEMBER, AND A CENTER CASTER ATTACHED TO THE UNDERSIDE OF THE PLATFORM MEMBER CENTRALLY OF THE TRIANGULAR ARRANGEMENT OF THE OUTER CASTERS AND EXTENDING A GREATER DISTANCE FROM THE PLATFORM MEMBER THAN THE OUTER CASTERS.
References Cited (Backward Citations)
DE494395C
Cited
US887812A
Cited
US1467453A
Cited
AT135503B
Cited
US2219905A
Cited
US2351293A
Cited
US3197227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |