US3074732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal ski
Assignee: Individual
•
Filing: 1961-09-22
•
Granted: 1963-01-22
•
Expires: 1981-09-22
Abstract
No abstract record available.
Inventors
- 👤 Riha Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:35
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METAL SKI WHICH COMPRISES TOP AND BOTTOM METAL PARTS CONNECTED TO FORM A GENERALLY RECTANGULAR BOX SECTION, SAID TOP PART BEING FLAT AND SAID BOTTOM PART BEING GENERALLY U-SHAPED IN CROSS-SECTION AND COMPRISING A BOTTOM WEB, UPRIGHT SIDE WALLS HAVING UNDULATIONS EXTENDING TRANSVERSELY TO THE LONGITUDINAL DIRECTION AND IN AN AREA EXTENDING TO THE UNDERSIDE OF THE WEB, OUTWARDLY ANGLED FLANGES AT THE TOP EDGES OF SAID SIDE WALLS, SAID FLANGES BEING CONNECTED TO SAID TOP PART TO FORM SIDE LEDGES, EDGE STRIPS SECURED TO SAID SIDE LEDGES AND COVERING SAID SIDE WALLS, AND REINFORCING EDGE MEMBERS CARRIED BY SAID EDGE STRIPS AND DISPOSED ON THE UNDERSIDE THEREOF.
Claim 2
Dependent Claim
109 words
A METAL SKI WHICH COMPRISES TOP AND BOTTOM METAL PARTS CONNECTED TO FORM A GENERALLY RECTANGULAR BOX SECTION, SAID TOP PART BEING FLAT AND SAID BOTTOM PART BEING GENERALLY U-SHAPED IN CROSS-SECTION AND COMPRISING A BOTTOM WEB, UPRIGHT SIDE WALLS HAVING UNDULATIONS EXTENDING TRANSVERSELY TO THE LONGITUDINAL DIRECTION AND IN AN AREA EXTENDING TO THE UNDERSIDE OF THE WEB, OUTWARDLY ANGLED FLANGES AT THE TOP EDGES OF SAID SIDE WALLS, SAID FLANGES BEING CONNECTED TO SAID TOP PART TO FORM SIDE LEDGES, EDGE STRIPS SECURED TO SAID SIDE LEDGES AND COVERING SAID SIDE WALLS, AND REINFORCING EDGE MEMBERS CARRIED BY SAID EDGE STRIPS AND DISPOSED ON THE UNDERSIDE THEREOF.
References Cited (Backward Citations)
US1552990A
Cited
CH152918A
Cited
GB374223A
Cited
GB475783A
Cited
US2560693A
Cited
US2694580A
Cited
AT213291B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |