Patent WO1992016151A1 successfully refreshed from Google Patents.
US3209223A
Expired / Lapsed
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Servo motor system
Assignee: Unisys Corp
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Filing: 1948-11-05
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Granted: 1965-09-28
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Expires: 1968-11-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard Scheib
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:07
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A SYSTEM OF THE CHARACTER DESCRIBED, A SERVO MECHANISM INCLUDING A SERVO MOTOR, A SOURCE OF CONTROL SIGNAL FOR CONTROLLING THE OUTPUT OF SAID SERVO MOTOR, A TWO-PART SIGNAL GENERATOR HAVING ONE PART THEREOF MOVABLE, THE OTHER PART BEING FIXED, MEANS FOR DRIVING SAID MOVABLE PART IN ACCORDANCE WITH MOVEMENTS OF SAID SERVO MOTOR, MEANS FOR LIMITING THE RANGE OF MOVEMENT THROUGH WHICH THE MOVABLE PART OF SAID GENERATOR IS DRIVEN, AND MEANS FOR APPLYING THE SIGNAL OUTPUT OF SAID SIGNAL GENERATOR IN
Claim 2
Dependent Claim
84 words
IN A SYSTEM OF THE CHARACTER DESCRIBED, A SERVO MECHANISM INCLUDING A SERVO MOTOR, A SOURCE OF CONTROL SIGNAL FOR CONTROLLING THE OUTPUT OF SAID SERVO MOTOR, A TWO-PART SIGNAL GENERATOR HAVING ONE PART THEREOF MOVABLE, THE OTHER PART BEING FIXED, MEANS FOR DRIVING SAID MOVABLE PART IN ACCORDANCE WITH MOVEMENTS OF SAID SERVO MOTOR, MEANS FOR LIMITING THE RANGE OF MOVEMENT THROUGH WHICH THE MOVABLE PART OF SAID GENERATOR IS DRIVEN, AND MEANS FOR APPLYING THE SIGNAL OUTPUT OF SAID SIGNAL GENERATOR IN
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |