Patent US3187244A successfully refreshed from Google Patents.
US3187244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse integrator drive for measuring rotary motion
Assignee: Motors Liquidation Co
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Filing: 1963-01-22
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Granted: 1965-06-01
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Expires: 1983-01-22
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Summerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:53
CPC Classifications
G; G06; G06M; G06M3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN IMPULSE INTEGRAL DRIVE FOR MEASURING ROTARY MOTION, SAID DRIVE COMPRISING A MAGNETIC DRIVING MEMBER HAVING AT LEAST TWO EFFECTIVE POLES, MULTIPLE PAIR OF HERMETICALLY SEALED AND MAGNETICALLY SENSITIVE CONTACTS MOUNTED NEAR THE PATH OF MOVEMENT OF SAID POLES, A STEPPING MOTOR HAVING A FIELD COIL FOR EACH SAID PAIRS OF CONTACTS, A VOLTAGE SUPPLY SOURCE, AND EACH PAIR OF CONTACTS AND ITS ASSOCIATED FIELD COIL BEING CONNECTED IN A SEPARATE SERIES CIRCUIT WITH SAID VOLTAGE SUPPLY SOURCE.
Claim 2
Dependent Claim
78 words
AN IMPULSE INTEGRAL DRIVE FOR MEASURING ROTARY MOTION, SAID DRIVE COMPRISING A MAGNETIC DRIVING MEMBER HAVING AT LEAST TWO EFFECTIVE POLES, MULTIPLE PAIR OF HERMETICALLY SEALED AND MAGNETICALLY SENSITIVE CONTACTS MOUNTED NEAR THE PATH OF MOVEMENT OF SAID POLES, A STEPPING MOTOR HAVING A FIELD COIL FOR EACH SAID PAIRS OF CONTACTS, A VOLTAGE SUPPLY SOURCE, AND EACH PAIR OF CONTACTS AND ITS ASSOCIATED FIELD COIL BEING CONNECTED IN A SEPARATE SERIES CIRCUIT WITH SAID VOLTAGE SUPPLY SOURCE.
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |