Patent US2518463A successfully refreshed from Google Patents.
US2518463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electrically welding studs
Assignee: Graham Manufacturing Corp
•
Filing: 1948-08-10
•
Granted: 1950-08-15
•
Expires: 1968-08-10
Abstract
No abstract record available.
Inventors
- 👤 Harold J Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:05
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/10; B23K9/1081; B23K9/06; B23K9/067; B23K9/0672; B23K9/0677; B23K9/20; B23K9/201; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12639
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US412599A
Cited
US1066468A
Cited
US1323768A
Cited
US1599056A
Cited
US1882601A
Cited
GB497133A
Cited
US2201087A
Cited
US2315502A
Cited
US2462882A
Cited
US2402659A
Cited
US2432773A
Cited
US2413370A
Cited
US2441257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |