US3014560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building panel
Assignee: Republic Steel Corp
•
Filing: 1955-01-12
•
Granted: 1961-12-26
•
Expires: 1975-01-12
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang W Krauss
- 👤 Truman Theodore John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:07
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/38; E04C2/384; E04C2/02; E04C2/26; E04C2/284; E04C2/292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2008325A
Cited
US1992509A
Cited
US2264961A
Cited
US2321589A
Cited
US2449384A
Cited
FR994491A
Cited
US2705655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |