US2474778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backed lath and manufacture thereof
Assignee: Wheeling Steel Corp
•
Filing: 1945-12-05
•
Granted: 1949-06-28
•
Expires: 1965-12-05
Abstract
No abstract record available.
Inventors
- 👤 Leonard W Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:21
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1210849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |