Patent US3140442A successfully refreshed from Google Patents.
US3140442A
Expired / Lapsed
US
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Time of occurrence telemetering apparatus relying upon extrapolation of a charging curve from sampled voltages
Assignee: Electro Mechanical Research Inc
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Filing: 1958-10-01
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Granted: 1964-07-07
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Expires: 1978-10-01
Abstract
No abstract record available.
Inventors
- 👤 Lloyd M Germain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:44
CPC Classifications
G; G08; G08C; G08C15/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
IN A SYSTEM FOR DERIVING INFORMATION REGARDING THE OCCURRENCE TIMES OF EVENTS, AN ENERGY STORING ELEMENT NORMALLY STORING A PREDETERMINED, CONSTANT ENERGY LEVEL, MEANS FOR SAMPLING THE ENERGY LEVEL OF SAID ELEMENT AT AT LEAST TWO EQUAL TIME INTERVALS, AND MEANS RESPONSIVE TO AN EVENT FOR MODIFYING THE ENERGY LEVEL OF SAID ELEMENT ACCORDING TO A PREDETERMINED LINEAR LAW OF ENERGY VARIATION WITH TIME OVER A TIME INTERVAL AT LEAST GREATER THAN THE SAMPLING PERIOD WHILE CONTINUING THE SAMPLING.
References Cited (Backward Citations)
US2511868A
Cited
US2715219A
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US2727209A
Cited
US2704364A
Cited
US2878426A
Cited
US2935682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |