Patent US3497859A successfully refreshed from Google Patents.
US3497859A
Expired / Lapsed
US
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Electrical resistors for printed circuits
Assignee: Stackpole Carbon Co
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Filing: 1968-05-28
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Granted: 1970-02-24
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Expires: 1988-05-28
Abstract
No abstract record available.
Inventors
- 👤 Mogens W Bang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:56
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/306; H05K3/308; H01; H01C; H01C1/00; H01C1/08; H01C1/084; H01C1/14; H01C17/00; H01C17/006; H05K1/00; H05K1/18; H05K1/182; H05K1/184; H05K2201/00; H05K2201/09; H05K2201/09009; H05K2201/09045; H05K2201/10; H05K2201/10007; H05K2201/10022; H05K2201/10431; H05K2201/10568; H05K2201/10613; H05K2201/10621; H05K2201/10651; H05K2201/10742; H05K2201/1075; H05K2201/10878; H05K2201/20; H05K2201/2036; H05K3/32; H05K3/34; H05K3/3447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1889379A
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GB771701A
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GB807987A
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GB880249A
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US3185947A
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IT1259568B
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |