Patent US3113274A successfully refreshed from Google Patents.
US3113274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog squaring device
Assignee: Westinghouse Air Brake Co
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Filing: 1960-06-22
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Granted: 1963-12-03
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Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Orval L Utt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:34
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN COMBINATION, A FIRST DIODE AND A FIRST RESISTOR CONNECTED TO FORM A SERIES COMBINATION, A SECOND DIODE AND A SECOND RESISTOR CONNECTED TO FORM A PARALLEL COMBINATION, A CONNECTION BETWEEN THE DIODE END OF SAID SERIES COMBINATION AND ONE END OF SAID PARALLEL COMBINATION TO FORM A RESULTANT COMBINATION IN WHICH SAID DIODES ARE IN OPPOSITION, MEANS FOR APPLYING A VOLTAGE OF SAWTOOTH WAVEFORM AND HAVING A SUBSTANTIALLY CONSTANT AMPLITUDE
Claim 2
Dependent Claim
71 words
IN COMBINATION, A FIRST DIODE AND A FIRST RESISTOR CONNECTED TO FORM A SERIES COMBINATION, A SECOND DIODE AND A SECOND RESISTOR CONNECTED TO FORM A PARALLEL COMBINATION, A CONNECTION BETWEEN THE DIODE END OF SAID SERIES COMBINATION AND ONE END OF SAID PARALLEL COMBINATION TO FORM A RESULTANT COMBINATION IN WHICH SAID DIODES ARE IN OPPOSITION, MEANS FOR APPLYING A VOLTAGE OF SAWTOOTH WAVEFORM AND HAVING A SUBSTANTIALLY CONSTANT AMPLITUDE
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |