US2494347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller type hinge
Assignee: Curtiss Wright Corp
•
Filing: 1945-04-26
•
Granted: 1950-01-10
•
Expires: 1965-04-26
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:22
CPC Classifications
B; B64; B64D; B64D29/00; B64D29/08; E; E05; E05D; E05D1/00; E05D1/04; E05D15/00; E05D15/40; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/688; E05Y2900/00; E05Y2900/50; E05Y2900/502
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |