Patent US2898520A successfully refreshed from Google Patents.
US2898520A
Expired / Lapsed
US
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Electric circuit assembly
Assignee: Erie Resistor Corp
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Filing: 1956-02-17
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Granted: 1959-08-04
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Expires: 1976-02-17
Abstract
No abstract record available.
Inventors
- 👤 Philip E Sterner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/04; B61G9/06; B25; B25B; B25B27/00; B25B27/02; B25B27/10; F; F16; F16F; F16F1/00; F16F1/36; F16F1/40; F16F1/406; F16L; F16L47/00; G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127; H; H01; H01R; H01R12/00; H01R12/70; H01R12/7076; H05; H05K; H05K7/00; H05K7/02; H05K7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1729492A
Cited
US2474988A
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US2450001A
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GB592686A
Cited
US2566666A
Cited
US2631184A
Cited
US2707272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |