Patent US3238441A successfully refreshed from Google Patents.
US3238441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchro simulator transformer systems
Assignee: Unisys Corp
•
Filing: 1962-04-23
•
Granted: 1966-03-01
•
Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 George C Gucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:08
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SYNCHRO SIMULATOR COMPRISING A FIRST, A SECOND AND A THIRD INPUT TERMINAL; A FIRST, A SECOND AND A THIRD OUTPUT TERMINAL; SAID SECOND INPUT AND SAID SECOND OUTPUT TERMINAL HAVING ESSENTIALLY THE SAME VOLTAGES APPEARING THEREAT UPON ENERGIZATION OF SAID INPUT TERMINALS; FIRST CIRCUIT MEANS OPERATIVELY CONNECTED BETWEEN SAID FIRST INPUT AND SAID FIRST OUTPUT TERMINALS FOR PRODUCING A FIRST VOLTAGE WHICH IS IN SERIES WITH A VOLTAGE APPEARING AT SAID FIRST INPUT TERMINAL; SECOND CIRCUIT MEANS OPERATIVELY CONNECTED BETWEEN SAID THIRD INPUT AND SAID THIRD OUTPUT TERMINALS FOR PRODUCING A SECOND VOLTAGE WHICH IS IN SERIES WITH A VOLTAGE APPEARING AT SAID THIRD INPUT TERMINAL; ADDITIONAL CIRCUIT MEANS CONNECTED TO SAID INPUT TERMINAL AND CONSTRUCTE TO PRODUCE FIRST AND SECOND OUTPUTS
Claim 2
Dependent Claim
123 words
A SYNCHRO SIMULATOR COMPRISING A FIRST, A SECOND AND A THIRD INPUT TERMINAL; A FIRST, A SECOND AND A THIRD OUTPUT TERMINAL; SAID SECOND INPUT AND SAID SECOND OUTPUT TERMINAL HAVING ESSENTIALLY THE SAME VOLTAGES APPEARING THEREAT UPON ENERGIZATION OF SAID INPUT TERMINALS; FIRST CIRCUIT MEANS OPERATIVELY CONNECTED BETWEEN SAID FIRST INPUT AND SAID FIRST OUTPUT TERMINALS FOR PRODUCING A FIRST VOLTAGE WHICH IS IN SERIES WITH A VOLTAGE APPEARING AT SAID FIRST INPUT TERMINAL; SECOND CIRCUIT MEANS OPERATIVELY CONNECTED BETWEEN SAID THIRD INPUT AND SAID THIRD OUTPUT TERMINALS FOR PRODUCING A SECOND VOLTAGE WHICH IS IN SERIES WITH A VOLTAGE APPEARING AT SAID THIRD INPUT TERMINAL; ADDITIONAL CIRCUIT MEANS CONNECTED TO SAID INPUT TERMINAL AND CONSTRUCTE TO PRODUCE FIRST AND SECOND OUTPUTS
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |