US3295364A
Expired / Lapsed
US
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Computing accelerometer
Assignee: Douglas Aircraft Co Inc
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Filing: 1964-01-30
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Granted: 1967-01-03
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Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 William D Van Dyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:59
CPC Classifications
G; G01; G01M; G01M5/00; G01M5/0066; G01M5/0033; G01P; G01P1/00; G01P1/12; G01P1/127; G01P15/00; G01P15/02; G01P15/08; G01P15/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A FATIGUE MONITOR COMPRISING: A MEASURING MEANS FOR PROVIDING AN INDICATION OF STRESS LEVELS TO WHICH A STRUCTURE IS SUBJECTED, SAID MEASURING MEANS INCLUDING A PLURALITY OF OUTPUTS WHEREIN EACH OUTPUT IS ADAPTED TO DELIVER A DISTINCT OUTPUT SIGNAL WHEN A PREDETERMIND STRESS LEVEL ASSOCIATED WITH THAT OUTPUT IS REACHED; COUNTING MEANS FOR PROVIDING AN INDICATION REPRESENTATIVE OF THE FATIGUE HISTORY OF THE STRUCTURE MONITORED; AND METERING MEANS FOR CHANGING THE INDICATION OF SAID COUNTING MEANS, SAID METERING MEANS INCLUDING A PLURALITY OF SUBCIRCUITS EACH HAVING AN INPUT AND AN OUTPUT WHEREIN SAID SUBCIRCUITS ARE CONNECTED
Claim 2
Dependent Claim
96 words
A FATIGUE MONITOR COMPRISING: A MEASURING MEANS FOR PROVIDING AN INDICATION OF STRESS LEVELS TO WHICH A STRUCTURE IS SUBJECTED, SAID MEASURING MEANS INCLUDING A PLURALITY OF OUTPUTS WHEREIN EACH OUTPUT IS ADAPTED TO DELIVER A DISTINCT OUTPUT SIGNAL WHEN A PREDETERMIND STRESS LEVEL ASSOCIATED WITH THAT OUTPUT IS REACHED; COUNTING MEANS FOR PROVIDING AN INDICATION REPRESENTATIVE OF THE FATIGUE HISTORY OF THE STRUCTURE MONITORED; AND METERING MEANS FOR CHANGING THE INDICATION OF SAID COUNTING MEANS, SAID METERING MEANS INCLUDING A PLURALITY OF SUBCIRCUITS EACH HAVING AN INPUT AND AN OUTPUT WHEREIN SAID SUBCIRCUITS ARE CONNECTED
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |