US2401281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite structure
Assignee: Individual
•
Filing: 1942-04-10
•
Granted: 1946-05-28
•
Expires: 1962-04-10
Abstract
No abstract record available.
Inventors
- 👤 Oscar H Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/12; E04C2/14; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/18; Y10T428/24; Y10T428/24752; Y10T428/2476
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-27 | 1949-11-26 | 1950-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-27 | 1953-11-26 | 1954-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-27 | 1957-11-26 | 1958-05-28 | $7700.00 | Window Closed / Lapsed |