US2337224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building structure
Assignee: Individual
•
Filing: 1942-06-29
•
Granted: 1943-12-21
•
Expires: 1962-06-29
Abstract
No abstract record available.
Inventors
- 👤 Louis A Benoist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:30
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/70; E04B2/701; E04B2/702
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) | 1946-12-20 | 1947-06-21 | 1947-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-20 | 1951-06-21 | 1951-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-20 | 1955-06-21 | 1955-12-21 | $7700.00 | Window Closed / Lapsed |