US2838745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of recording and/or modifying electrical intelligence
Assignee: International Standard Electric Corp
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Filing: 1952-05-22
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Granted: 1958-06-10
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Expires: 1972-05-22
Abstract
No abstract record available.
Inventors
- 👤 Wright Esmond Philip Goodwin
- 👤 Rice Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:24
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; G; G06; G06F; G06F12/00; G06F12/14; G06F13/00; G06F13/14; G06F13/16; G06F13/1668; G06F13/1689; G06F13/20; G06F13/22; G06F15/00; G06F15/04; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/492; G06F7/493; G06F7/494; G06F7/495; G06K; G06K17/00; G11; G11B; G11B20/00; G11B20/10; G11B20/14; G11B20/1403; G11B20/1407; G11B20/1419; G11B20/1423; G11B20/16; G11C; G11C11/00; G11C11/21; G11C11/22; H03; H03K; H03K21/00; H03M; H03M7/00; H03M7/02; H03M7/06; H03M7/08; H04L; H04L12/00; H04L12/54; H04L13/00; H04L13/02; H04L13/08; H04L25/00; H04L25/02; H04L25/20; H04L25/24; H04L25/242; H04L25/245; H04M; H04M15/00; H04M15/04; H04M15/10; H04M15/38; G06F2207/00; G06F2207/492; G06F2207/4923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |