Patent US2700745A successfully refreshed from Google Patents.
US2700745A
Expired / Lapsed
US
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Data transmission system and corrector therefor
Assignee: Unisys Corp
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Filing: 1951-03-21
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Granted: 1955-01-25
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Expires: 1971-03-21
Abstract
No abstract record available.
Inventors
- 👤 Marlin C Depp
- 👤 Ii Spencer Kellogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:15
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/38; G08C19/46; G08C19/48; G01; G01C; G01C17/00; G01C17/02; G01C17/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB351891A
Cited
GB487226A
Cited
US2482020A
Cited
US2515495A
Cited
US2544710A
Cited
US2439414A
Cited
US2619526A
Cited
US2651010A
Cited
US2581436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |