Patent US3544976A successfully refreshed from Google Patents.
US3544976A
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US
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Digitalized communication system with computation and control capabilities employing transmission line loop for data transmission
Assignee: Collins Radio Co
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Filing: 1968-07-02
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Granted: 1970-12-01
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Expires: 1988-07-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:51
CPC Classifications
G; G06; G06F; G06F13/00; G06F13/38; G06F13/42; G06F13/4247; H; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04L; H04L12/00; H04L12/28; H04L12/42; H04L12/427; H04L12/43; H04L5/00; H04L5/22
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) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |