US2380953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural beam
Assignee: Individual
•
Filing: 1943-07-01
•
Granted: 1945-08-07
•
Expires: 1963-07-01
Abstract
No abstract record available.
Inventors
- 👤 Dmitri T Dubassoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:32
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/29; E04C3/291; E04C3/04; E04C3/10; E04C3/12; E04C3/18; E04C3/20; E04C3/26; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/0465
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) | 1948-08-06 | 1949-02-05 | 1949-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-08-06 | 1953-02-05 | 1953-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-08-06 | 1957-02-05 | 1957-08-07 | $7700.00 | Window Closed / Lapsed |