Patent US2736787A successfully refreshed from Google Patents.
US2736787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding apparatus
Assignee: General Electric Co
•
Filing: 1951-10-26
•
Granted: 1956-02-28
•
Expires: 1971-10-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Alanson U Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:26
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/173
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE443874C
Cited
US1707433A
Cited
GB371814A
Cited
US2536294A
Cited
US2512705A
Cited
US2510204A
Cited
US2510205A
Cited
US2527235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |