US3013240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistors and method of manufacture
Assignee: SPEER CARBON Co Inc
•
Filing: 1959-10-27
•
Granted: 1961-12-12
•
Expires: 1979-10-27
Abstract
No abstract record available.
Inventors
- 👤 George P Mcknight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:16
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/24; H01C; H01C1/00; H01C1/14; H01C1/146; H01C17/00; H01C17/28; H01C7/00; H01C7/001; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49098; Y10T29/49117; Y10T29/49169
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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |