US3354266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isophote converter
Assignee: North American Aviation Corp
•
Filing: 1964-05-25
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Granted: 1967-11-21
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Henry J Dinenno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:58
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/59; G01N21/5907; G01N21/5911; H; H04; H04N; H04N23/00; H04N23/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
THE COMBINATION COMPRISING: A SOURCE OF INFORMATION; MEANS, COMPRISING ELECTRONIC COMPARATOR CIRCUITRY, FOR QUANTIZING THE INFORMATION FROM SAID SOURCE, AND PRODUCING CONTROL-PULSES CORRESPONDING TO SELECTED LEVEL CHANGES OF SAID INFORMATION; AND MEANS FOR CAUSING SAID CONTROL-PULSES TO PRODUCE AN ISOPHOTE DISPLAY.
Claim 2
Dependent Claim
41 words
THE COMBINATION COMPRISING: A SOURCE OF INFORMATION; MEANS, COMPRISING ELECTRONIC COMPARATOR CIRCUITRY, FOR QUANTIZING THE INFORMATION FROM SAID SOURCE, AND PRODUCING CONTROL-PULSES CORRESPONDING TO SELECTED LEVEL CHANGES OF SAID INFORMATION; AND MEANS FOR CAUSING SAID CONTROL-PULSES TO PRODUCE AN ISOPHOTE DISPLAY.
References Cited (Backward Citations)
US3017456A
Cited
US3214515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |