Patent US3273059A successfully refreshed from Google Patents.
US3273059A
Expired / Lapsed
US
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Thermal converter type r.m.s. meter utilizing signal storage and comparison
Assignee: Beckman Coulter Inc
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Filing: 1962-10-04
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Granted: 1966-09-13
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jack S Andresen
- 👤 Alan B Maclane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:30
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/22; G01R19/225
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
A METER FOR MEASURING THE ROOT MEANS SQUARE VALUE OF AN INPUT ELECTRICAL SIGNAL COMPRISING: A THERMAL ELECTRICAL SIGNAL COMPRISING: STORAGE MEANS FOR STORING AN ELECTRICAL SIGNAL; COMPARISON MEANS RESPONSIVE TO FIRST AND SECOND INPUT SIGNALS FOR GENERATING A MEASURED OUTPUT SIGNAL; AND MEANS FOR SELECTIVELY CONNECTING FIRST THE INPUT OF SAID THERMAL CONVERTER ELEMENT TO SAID INPUT ELECTRICAL SIGNAL AND THE OUTPUT OF SAID THERMAL CONVERTER ELEMENT TO SAID STORAGE MEANS AND THEN THE INPUT OF SAID THERMAL CONVERTER ELEMENT TO SAID MEASURED OUTPUT SIGNAL AND THE OUTPUTS OF SAID STORAGE MEANS AND SAID THERMAL CONVERTER ELEMENT TO SAID COMPARISON MEANS AS SAID FIRST AND SECOND INPUT SIGNALS.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |