US2745523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal wall veneer construction
Assignee: Crucible Steel Company of America
•
Filing: 1950-08-22
•
Granted: 1956-05-15
•
Expires: 1970-08-22
Abstract
No abstract record available.
Inventors
- 👤 Richard A Biggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:49
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190521792A
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US1920490A
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US2153320A
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US2128495A
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US2178817A
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US2476451A
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US2530465A
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US2477987A
Cited
US2649172A
Cited
GB809334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |