US3056110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital data transmission system
Assignee: Research Corp
•
Filing: 1956-07-13
•
Granted: 1962-09-25
•
Expires: 1976-07-13
Abstract
No abstract record available.
Inventors
- 👤 Rudolph J Cypser
- 👤 John V Harrington
- 👤 Robert C Hopkins
- 👤 Housman Bennett
- 👤 Richard C Jeffrey
- 👤 Dan C Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:40
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F15/00; G06F15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2609451A
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US2845609A
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US2680240A
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US2682574A
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US2702380A
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US2708267A
Cited
US2802203A
Cited
US2926338A
Cited
US2846502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |