US2749422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling sheet metal elements by welding
Assignee: Renault SA
•
Filing: 1953-07-17
•
Granted: 1956-06-05
•
Expires: 1973-07-17
Abstract
No abstract record available.
Inventors
- 👤 Saives Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:36
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/0026; B23K9/0035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2280150A
Cited
US1485459A
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US1962352A
Cited
US2145009A
Cited
US2365696A
Cited
US2496188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |