US2558798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistor
Assignee: Individual
•
Filing: 1948-10-18
•
Granted: 1951-07-03
•
Expires: 1968-10-18
Abstract
No abstract record available.
Inventors
- 👤 Meivin A Thom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:59
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1092790A
Cited
US1124849A
Cited
US1434225A
Cited
US1494939A
Cited
US1699898A
Cited
GB342223A
Cited
US2218204A
Cited
US2146509A
Cited
US2227931A
Cited
US2378772A
Cited
US2387829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |