US2747704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nail-receiving beams
Assignee: National Steel Corp
•
Filing: 1948-06-02
•
Granted: 1956-05-29
•
Expires: 1968-06-02
Abstract
No abstract record available.
Inventors
- 👤 Charles B Gorey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:16
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04C3/07; E04C2003/0404; E04C2003/0408; E04C2003/0421; E04C2003/0426; E04C2003/0439; E04C2003/0443; E04C2003/0452; E04C2003/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US515270A
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US522875A
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FR743672A
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US1090171A
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US1253216A
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US1204955A
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US1898925A
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US2118499A
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US2384849A
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US2457147A
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US2425798A
Cited
US2421446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |