US2246578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trussed structural member and method of and means for its manufacture
Assignee: Individual
•
Filing: 1939-02-24
•
Granted: 1941-06-24
•
Expires: 1959-02-24
Abstract
No abstract record available.
Inventors
- 👤 Salardi Albert Bernhard De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:47
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/06; B; B21; B21B; B21B1/00; B21B1/08; B21B1/0815; B21B2001/081; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625; Y10T29/51; Y10T29/5116; Y10T428/00; Y10T428/12; Y10T428/1234; Y10T428/12375; Y10T428/12389
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) | 1944-06-23 | 1944-12-23 | 1945-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-23 | 1948-12-23 | 1949-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-23 | 1952-12-23 | 1953-06-24 | $7700.00 | Window Closed / Lapsed |