US2709966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski tow
Assignee: SKI LAND EQUIPMENT Co
•
Filing: 1950-01-20
•
Granted: 1955-06-07
•
Expires: 1970-01-20
Abstract
No abstract record available.
Inventors
- 👤 Erwin R Boynton
- 👤 William T Rauch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:48
CPC Classifications
B; B61; B61B; B61B11/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US888439A
Cited
FR413107A
Cited
US1728611A
Cited
US1945754A
Cited
US2087232A
Cited
US2116226A
Cited
US2230024A
Cited
US2285636A
Cited
US2340868A
Cited
US2458786A
Cited
US2548800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |