Patent US3131350A successfully refreshed from Google Patents.
US3131350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test apparatus for meausring tracking error between a synchro transmitter and receiver
Assignee: Individual
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Filing: 1955-10-21
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Granted: 1964-04-28
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Expires: 1975-10-21
Abstract
No abstract record available.
Inventors
- 👤 Roscoe H Canaday
- 👤 Adrian E Glandon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:48
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A MOTION-REPRODUCING SYSTEM, A MASTER UNIT, A SLAVE UNIT ELECTRICALLY CONNECTED THERETO, EACH OF SAID UNITS INCLUDING STATOR AND ROTOR COMPONENTS MEANS FOR APPLYING TORQUE TO THE ROTOR OF SAID MASTER UNIT FOR REPRODUCTION OF THE RESULTING MOTION AT SAID SLAVE UNIT, A THIRD UNIT INCLUDING A ROTOR COMPONENT ROTATABLE IN RESPONSE TO OPERATION OF SAID TORQUE APPLYING MEANS, MEANS INCLUDING A MANUALLY OPERABLE CLUTCH MECHANISM MECHANICALLY LINKING SAID TORQUE-APPLYING MEANS WITH SAID THIRD UNIT; AN INDICATOR ELEMENT, AND MEANS CARRIED BY SAID THIRD UNIT FOR DELIVERING CURRENT TO SAID INDICATOR ELEMENT IN ONE
Claim 2
Dependent Claim
95 words
IN A MOTION-REPRODUCING SYSTEM, A MASTER UNIT, A SLAVE UNIT ELECTRICALLY CONNECTED THERETO, EACH OF SAID UNITS INCLUDING STATOR AND ROTOR COMPONENTS MEANS FOR APPLYING TORQUE TO THE ROTOR OF SAID MASTER UNIT FOR REPRODUCTION OF THE RESULTING MOTION AT SAID SLAVE UNIT, A THIRD UNIT INCLUDING A ROTOR COMPONENT ROTATABLE IN RESPONSE TO OPERATION OF SAID TORQUE APPLYING MEANS, MEANS INCLUDING A MANUALLY OPERABLE CLUTCH MECHANISM MECHANICALLY LINKING SAID TORQUE-APPLYING MEANS WITH SAID THIRD UNIT; AN INDICATOR ELEMENT, AND MEANS CARRIED BY SAID THIRD UNIT FOR DELIVERING CURRENT TO SAID INDICATOR ELEMENT IN ONE
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |