US2704024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data comparing and record posting machine
Assignee: Unisys Corp
•
Filing: 1951-03-16
•
Granted: 1955-03-15
•
Expires: 1971-03-16
Abstract
No abstract record available.
Inventors
- 👤 John T Ferry
- 👤 John L Sterling
- 👤 Erich H Mobius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:58
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/22; B41J1/32; B41J1/40; B41J1/42; G; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K19/077; G06K19/07716
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1110723A
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US2344345A
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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) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |