US2212982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated metal building construction
Assignee: STEFCO STEEL Co
•
Filing: 1939-04-10
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Granted: 1940-08-27
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Expires: 1959-04-10
Abstract
No abstract record available.
Inventors
- 👤 Jr James A Drain
- 👤 Norman A Leist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:41
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B2/00; E04B2/56; E04B2/58; E04B2/60; E04B2/62; E04B1/2403; E04B2001/2415; E04B2001/2448; E04B2001/2463; E04B2001/2481; E04B2001/249
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-08-27 | 1944-02-26 | 1944-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-27 | 1948-02-26 | 1948-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-27 | 1952-02-26 | 1952-08-27 | $7700.00 | Window Closed / Lapsed |