US2667542A
Expired / Lapsed
US
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Electric connecting device
Assignee: International Standard Electric Corp
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Filing: 1951-09-25
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Granted: 1954-01-26
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Expires: 1971-09-25
Abstract
No abstract record available.
Inventors
- 👤 Wright Esmond Philip Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:30
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; H04Q3/52; G; G06; G06F; G06F7/00; G06F7/38; G06F7/383; H01; H01H; H01H63/00; H01H63/16; H01H63/18; H01H63/20; H01H67/00; H01H67/22; H01H67/26; H03; H03K; H03K17/00; H03K17/51; H03K17/80; H03K17/81; H03K19/00; H03K19/02; H03K19/16; H03K23/00; H03K23/76; H03K3/00; H03K3/02; H03K3/45; H03M; H03M7/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |