US2668606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricated steel beam
Assignee: JACKSONVILLE STEEL Co
•
Filing: 1948-06-09
•
Granted: 1954-02-09
•
Expires: 1968-06-09
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:35
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C2003/0486; E04C2003/0491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311820A
Cited
US1704235A
Cited
US1865059A
Cited
US2089023A
Cited
US2136071A
Cited
US2420292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |