US2133305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp for electric arc furnace electrodes
Assignee: Individual
•
Filing: 1936-09-03
•
Granted: 1938-10-18
•
Expires: 1956-09-03
Abstract
No abstract record available.
Inventors
- 👤 Payne William Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:00
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/10; H05B7/103; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/34; Y10T279/3493
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-10-17 | 1942-04-18 | 1942-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-17 | 1946-04-18 | 1946-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-17 | 1950-04-18 | 1950-10-18 | $7700.00 | Window Closed / Lapsed |