US2590227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: RC Mahon Co
•
Filing: 1947-04-07
•
Granted: 1952-03-25
•
Expires: 1967-04-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Bingman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:07
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34315
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |