US1998448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricated building construction
Assignee: Individual
•
Filing: 1931-03-16
•
Granted: 1935-04-23
•
Expires: 1951-03-16
Abstract
No abstract record available.
Inventors
- 👤 Crowe Francis Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:00
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/06; E04B; E04B1/00; E04B1/34; E04B2/00; E04B2/56; E04B2/58
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) | 1938-04-22 | 1938-10-22 | 1939-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-22 | 1942-10-22 | 1943-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-22 | 1946-10-22 | 1947-04-23 | $7700.00 | Window Closed / Lapsed |