US2560690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge wound resistor
Assignee: Euclid Electric and Manufacturing Co
•
Filing: 1949-10-19
•
Granted: 1951-07-17
•
Expires: 1969-10-19
Abstract
No abstract record available.
Inventors
- 👤 Milton W Griffes
- 👤 Charles W Merchant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:52
CPC Classifications
H; H01; H01C; H01C3/00; H01C3/14; H01C3/20; Y; Y10; Y10T; Y10T403/00; Y10T403/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |