Patent US2319403A successfully refreshed from Google Patents.
US2319403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall structure
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1941-12-16
•
Granted: 1943-05-18
•
Expires: 1961-12-16
Abstract
No abstract record available.
Inventors
- 👤 Charles A Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:39
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/001; E05C19/002; E05C3/00; E05C3/12; E05C3/14; F; F24; F24C; F24C15/00; F24C15/02; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0937; Y10T292/0938; Y10T292/0944
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1946-05-17 | 1946-11-16 | 1947-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-17 | 1950-11-16 | 1951-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-17 | 1954-11-16 | 1955-05-18 | $7700.00 | Window Closed / Lapsed |