Patent US2590582A successfully refreshed from Google Patents.
US2590582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding control
Assignee: Westinghouse Electric Corp
•
Filing: 1949-06-21
•
Granted: 1952-03-25
•
Expires: 1969-06-21
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Stadum
- 👤 William E Large
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:14
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/248
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2083190A
Cited
US2224733A
Cited
US2147468A
Cited
US2210710A
Cited
US2243833A
Cited
US2314691A
Cited
US2315916A
Cited
US2411708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |