US2924310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long span deck member
Assignee: Individual
•
Filing: 1954-01-15
•
Granted: 1960-02-09
•
Expires: 1974-01-15
Abstract
No abstract record available.
Inventors
- 👤 Dan L Colbath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:44
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/02; E04B5/10; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C3/09; E04C2003/0486; E04C2003/0495
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) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |