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US3510585A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-level data encoder-decoder with pseudo-random test pattern generation capability

Assignee: Xerox Corp
•
Filing: 1967-02-02
•
Granted: 1970-05-05
•
Expires: 1987-02-02
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Abstract

No abstract record available.

Inventors

  • 👤 Roger B Stone

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 22:20
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/10; H04L25/00; H04L25/38; H04L25/40; H04L25/49; H04L25/4917

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3121197A Cited
US3128342A Cited
US3348149A Cited
US3337864A Cited
US3371279A Cited
US3392238A Cited
US3343125A Cited
US3369229A Cited
US3427444A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-04 1973-11-03 1974-05-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-04 1977-11-03 1978-05-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-04 1981-11-03 1982-05-05 $7700.00 Window Closed / Lapsed

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