Patent US3118256A successfully refreshed from Google Patents.
US3118256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
de witt
Assignee: —
•
Filing: —
•
Granted: 1964-01-21
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Expires: 1981-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:44
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A SKATE SHARPENER COMPRISING A PEDESTAL, AN ARTICULATED ARM MOUNTED ON SAID PEDESTAL FOR HORIZONTAL SWINGING MOVEMENT ABOUT THE AXIS OF SAID PEDESTAL, A SKATE HOLDING CLAMP MOUNTED ON SAID ARM ADAPTED TO HOLD AN ICE SKATE WITH THE RUNNER THEREOF IN A HORIZONTAL PLANE, A GRINDING HEAD ASSEMBLY, A CROSS-GRINDING WHEEL AND A PARALLEL GRINDING WHEEL MOUNTED ON SAID GRINDING HEAD ASSEMBLY, THE AXES OF SAID WHEELS BEING IN THE HORIZONTAL PLANE OF SUCH RUNNER, AND PIVOT MEANS MOUNTING SAID GRINDING HEAD ASSEMBLY ON SAID PEDESTAL ADAPTED TO PIVOT SAID GRINDING HEAD ASSEMBLY ABOUT A HORIZONTALLY EXTENDING PIVOT AXIS IN SUCH PLANE TO PLACE SAID WHEELS TO ROTATE IN A VERTICAL OR HORIZONTAL PLANE, SAID SKATE HOLDING CLAMP BEING FREELY MOVABLE IN SUCH HORIZONTAL PLANE OF SUCH RUNNER WHEREBY THE RUNNER OF SUCH SKATE MAY BE PRESENTED PARALLEL TO THE PLANE OF ROTATION OF SAID PARALLEL GRINDING WHEEL OR NORMAL TO THE PLANE OF ROTATION OF SAID CROSS-GRINDING WHEEL.
Claim 2
Dependent Claim
160 words
A SKATE SHARPENER COMPRISING A PEDESTAL, AN ARTICULATED ARM MOUNTED ON SAID PEDESTAL FOR HORIZONTAL SWINGING MOVEMENT ABOUT THE AXIS OF SAID PEDESTAL, A SKATE HOLDING CLAMP MOUNTED ON SAID ARM ADAPTED TO HOLD AN ICE SKATE WITH THE RUNNER THEREOF IN A HORIZONTAL PLANE, A GRINDING HEAD ASSEMBLY, A CROSS-GRINDING WHEEL AND A PARALLEL GRINDING WHEEL MOUNTED ON SAID GRINDING HEAD ASSEMBLY, THE AXES OF SAID WHEELS BEING IN THE HORIZONTAL PLANE OF SUCH RUNNER, AND PIVOT MEANS MOUNTING SAID GRINDING HEAD ASSEMBLY ON SAID PEDESTAL ADAPTED TO PIVOT SAID GRINDING HEAD ASSEMBLY ABOUT A HORIZONTALLY EXTENDING PIVOT AXIS IN SUCH PLANE TO PLACE SAID WHEELS TO ROTATE IN A VERTICAL OR HORIZONTAL PLANE, SAID SKATE HOLDING CLAMP BEING FREELY MOVABLE IN SUCH HORIZONTAL PLANE OF SUCH RUNNER WHEREBY THE RUNNER OF SUCH SKATE MAY BE PRESENTED PARALLEL TO THE PLANE OF ROTATION OF SAID PARALLEL GRINDING WHEEL OR NORMAL TO THE PLANE OF ROTATION OF SAID CROSS-GRINDING WHEEL.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |