US2502764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electrical soldering ladle
Assignee: Individual
•
Filing: 1946-10-05
•
Granted: 1950-04-04
•
Expires: 1966-10-05
Abstract
No abstract record available.
Inventors
- 👤 Taft Julius Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:48
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/03; B23K3/0338
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1428227A
Cited
US1545852A
Cited
US1745455A
Cited
US1813161A
Cited
US2170681A
Cited
US2155930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |