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US2862992A
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Electrical network assembly
Assignee: AT&T Inc
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Filing: 1954-05-03
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Granted: 1958-12-02
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Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Erwin E Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:01
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/14; H05K1/145; H05K2203/00; H05K2203/13; H05K2203/1305; H05K2203/1316; H05K3/00; H05K3/10; H05K3/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2512162A
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US2547022A
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US2613244A
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US2590821A
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US2607821A
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US2774052A
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US2668933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |