Patent US3247451A successfully refreshed from Google Patents.
US3247451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant current regulator
Assignee: Basic Products Corp
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Filing: 1962-06-21
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Granted: 1966-04-19
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Aloysius J Hauck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:41
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/34; G05F1/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN AN ELECTRIC REGULATOR, THE COMBINATION INCLUDING AN INPUT AND AN OUTPUT, ELECTRIC MODULATOR MEANS CONNECTED BETWEEN SAID INPUT AND SAID OUTPUT, SAID MODULATOR MEANS HAVING CONTROL MEANS, MEANS FOR PROVIDING A SIGNAL PROPORTIONAL TO THE OUTPUT, CONVERSION MEANS INCLUDING AN R.M.S. MEASURING MEANS FOR PROVIDING A SIGNAL WHOSE VALUE IS A MEASURE OF THE EFFECTIVE VALUE OF THE OUTPUT, REFERENCE SIGNAL MEANS, SECOND HARMONIC MODULATOR MEANS CONNECTED WITH SAID SIGNAL CONVERSION MEANS AND TO SAID REFERENCE SIGNAL MEANS, MAGNETIC AMPLIFIER MEANS CON-
Claim 2
Dependent Claim
83 words
IN AN ELECTRIC REGULATOR, THE COMBINATION INCLUDING AN INPUT AND AN OUTPUT, ELECTRIC MODULATOR MEANS CONNECTED BETWEEN SAID INPUT AND SAID OUTPUT, SAID MODULATOR MEANS HAVING CONTROL MEANS, MEANS FOR PROVIDING A SIGNAL PROPORTIONAL TO THE OUTPUT, CONVERSION MEANS INCLUDING AN R.M.S. MEASURING MEANS FOR PROVIDING A SIGNAL WHOSE VALUE IS A MEASURE OF THE EFFECTIVE VALUE OF THE OUTPUT, REFERENCE SIGNAL MEANS, SECOND HARMONIC MODULATOR MEANS CONNECTED WITH SAID SIGNAL CONVERSION MEANS AND TO SAID REFERENCE SIGNAL MEANS, MAGNETIC AMPLIFIER MEANS CON-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |