US3121831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control system for positioning objects
Assignee: Landis Machine Co
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Filing: 1961-09-08
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Granted: 1964-02-18
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Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
- 👤 Roy I Eyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:54
CPC Classifications
G; G05; G05B; G05B1/00; G05B1/01; G05B1/02; G05D; G05D3/00; G05D3/12; G05D3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
APPARATUS FOR PRODUCING INCREMENTAL REPETITIVE MOVEMENTS OF A BODY COMPRISING A DRIVE MOTOR OPERATIVELY CONNECTED TO MOVE SAID BODY, FIRST AND SECOND ELEMENTS DISPLACEABLE AWAY FROM A NULL POSITION, SAID SECOND ELEMENT BEING MOVABLE WITH SAID BODY, MEANS FOR GENERATING A MOTOR OPERATING SIGNAL WHEN SAID FIRST AND SECOND ELEMENTS ARE DISPLACED FROM SAID NULL POSITION TO MOVE SAID BODY AND TO RESTORE SAID ELEMENTS TO SAID NULL POSITION, THIRD AND FOURTH ELEMENTS DISPLACEABLE AWAY FROM A NULL POSITION, SAID THIRD ELEMENT BEING MOVABLE WITH SAID BODY, A PILOT MOTOR CONNECTED TO MOVE SAID FIRST
Claim 2
Dependent Claim
95 words
APPARATUS FOR PRODUCING INCREMENTAL REPETITIVE MOVEMENTS OF A BODY COMPRISING A DRIVE MOTOR OPERATIVELY CONNECTED TO MOVE SAID BODY, FIRST AND SECOND ELEMENTS DISPLACEABLE AWAY FROM A NULL POSITION, SAID SECOND ELEMENT BEING MOVABLE WITH SAID BODY, MEANS FOR GENERATING A MOTOR OPERATING SIGNAL WHEN SAID FIRST AND SECOND ELEMENTS ARE DISPLACED FROM SAID NULL POSITION TO MOVE SAID BODY AND TO RESTORE SAID ELEMENTS TO SAID NULL POSITION, THIRD AND FOURTH ELEMENTS DISPLACEABLE AWAY FROM A NULL POSITION, SAID THIRD ELEMENT BEING MOVABLE WITH SAID BODY, A PILOT MOTOR CONNECTED TO MOVE SAID FIRST
References Cited (Backward Citations)
US2440600A
Cited
US2774021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |