US3333181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potentiometer output voltage characterizing circuit
Assignee: Robertshaw Controls Co
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Filing: 1963-09-12
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Granted: 1967-07-25
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Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Louis H Gauss
- 👤 Jr Harry L Latham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:13
CPC Classifications
H; H03; H03H; H03H11/00; H03H11/02; H03H11/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A VOLTAGE CHARACTERIZING CIRCUIT FOR OPERATION FROM A D.C. VOLTAGE SOURCE COMPRISING (A) TWO INPUT TERMINALS AND TWO OUTPUT TERMINALS, ONE OF SAID INPUT TERMINALS BEING ELECTRICALLY THE SAME AS ONE OF SAID OUTPUT TERMINALS, SAID INPUT TERMINALS PROVIDING CONNECTIONS TO A D.C. VOLTAGE SOURCE, (B) A PLURALITY OF TRANSISTORS, EACH HAVING EMITTER, COLLECTOR AND BASE ELECTRODES, (C) VOLTAGE DIVIDER MEANS CONNECTED ACROSS SAID INPUT TERMINALS AND HAVING PLURALITY OF CONNECTING POINTS INTERMEDIATE SAID INPUT TERMINALS, (D) MEANS ELECTRICALLY CONNECTING EACH OF SAID EMITTER ELECTRODES TO A DIFFERENT ONE OF SAID PLURALITY OF CONNECTING POINTS,
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |