US2446591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal ski
Assignee: Individual
•
Filing: 1944-11-14
•
Granted: 1948-08-10
•
Expires: 1964-11-14
Abstract
No abstract record available.
Inventors
- 👤 Christian K Hoerle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:00
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE649182C
Cited
US1551620A
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US1585354A
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US1552990A
Cited
US2008654A
Cited
CH168471A
Cited
US2164604A
Cited
US2245319A
Cited
US2264535A
Cited
US2242156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |