US3318609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski construction
Assignee: Individual
•
Filing: 1965-05-28
•
Granted: 1967-05-09
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Charles R Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:00
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/06; A63C5/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A LAMINATED SKI CONSTRUCTION HAVING A CORE, WITH A RUNNING PLATE BELOW AND A CAPPING SHEET ABOVE THE SAME, THE CAPPING SHEET BEING COMPOSED OF A METAL HIGH IN RESILIENCY AND BEING SO ATTACHED TO THE CORE THAT THERE IS PROVIDED ABOVE THE CORE BETWEEN SAID CAPPING SHEET AND THE CORE AN INTERSPACE HAVING SUBSTANTIAL LENGTH AND A WIDTH APPROXIMATING THE WIDTH OF THE SKI AND SEALED ALONG THE TWO SIDE EDGES AND THE TWO END EDGES, AND MEANS FOR CHARGING SAID INTERSPACE WITH A FLUID PRESSURIZED TO A LEVEL CAPABLE OF BOWING THE CAPPING SHEET UPWARDLY FROM THE CORE.
Claim 2
Dependent Claim
100 words
A LAMINATED SKI CONSTRUCTION HAVING A CORE, WITH A RUNNING PLATE BELOW AND A CAPPING SHEET ABOVE THE SAME, THE CAPPING SHEET BEING COMPOSED OF A METAL HIGH IN RESILIENCY AND BEING SO ATTACHED TO THE CORE THAT THERE IS PROVIDED ABOVE THE CORE BETWEEN SAID CAPPING SHEET AND THE CORE AN INTERSPACE HAVING SUBSTANTIAL LENGTH AND A WIDTH APPROXIMATING THE WIDTH OF THE SKI AND SEALED ALONG THE TWO SIDE EDGES AND THE TWO END EDGES, AND MEANS FOR CHARGING SAID INTERSPACE WITH A FLUID PRESSURIZED TO A LEVEL CAPABLE OF BOWING THE CAPPING SHEET UPWARDLY FROM THE CORE.
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |