US2831179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information handling equipment
Assignee: International Standard Electric Corp
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Filing: 1954-08-16
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Granted: 1958-04-15
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Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Wright Esmond Philip Goodwin
- 👤 Weir Donald Adams
- 👤 Rice Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:16
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/16; G06F11/1666; G06F11/167; G06F11/1608; G06F11/1612; G06F3/00; G06F3/06; G06F3/0601; G06F7/00; G06F7/02; G11; G11B; G11B20/00; G11B20/10; G11B20/18; G11B20/1816; H; H04; H04L; H04L17/00; H04L17/16; H04L17/30; G06F3/0668; G06F3/0671; G06F3/0673; G06F3/0682
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) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |