Patent US2934627A successfully refreshed from Google Patents.
US2934627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric printed circuit component
Assignee: Northrop Grumman Corp
•
Filing: 1957-04-09
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Granted: 1960-04-26
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Expires: 1977-04-09
Abstract
No abstract record available.
Inventors
- 👤 Lorne E Bristol
- 👤 William M Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:35
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/046; H01H85/20; H01R; H01R12/00; H01R12/70; H01R12/71; H01R12/72; H01R12/722; H01H85/05; H01H85/055; H01H2085/0555
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB319034A
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US1914871A
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US2102206A
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US2263752A
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US2864917A
Cited
US2863021A
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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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |