US2462162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic oxide resistor
Assignee: AT&T Inc
•
Filing: 1944-07-03
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Granted: 1949-02-22
•
Expires: 1964-07-03
Abstract
No abstract record available.
Inventors
- 👤 Christensen Howard
- 👤 Joseph J Kleimack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2297779A
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US2280257A
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US2294756A
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US2271975A
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US2282944A
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US2326580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |