US2641825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making metal cross bar joints
Assignee: Truscon Steel Co
•
Filing: 1949-06-22
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Granted: 1953-06-16
•
Expires: 1969-06-22
Abstract
No abstract record available.
Inventors
- 👤 Adams Stafford Morley Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:09
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/008; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625; Y10T29/49627
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308428A
Cited
US1000967A
Cited
US1301981A
Cited
US1529445A
Cited
US1934765A
Cited
US2241871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |