US3021062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for differentiating difunction signl trains
Assignee: Digital Control Systems Inc
•
Filing: 1955-08-08
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Granted: 1962-02-13
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Expires: 1975-08-08
Abstract
No abstract record available.
Inventors
- 👤 Floyd G Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:15
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2403561A
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US2429228A
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US2568724A
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US2570220A
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US2609143A
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US2701095A
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GB733350A
Cited
US2762564A
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FR1094570A
Cited
US2856126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |