US2525618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski of laminated construction
Assignee: RTX Corp
•
Filing: 1946-03-01
•
Granted: 1950-10-10
•
Expires: 1966-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Wayne M Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:44
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH135247A
Cited
DE641053C
Cited
US2184791A
Cited
DE688194C
Cited
US2264535A
Cited
US2258046A
Cited
US2356809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |