US3213416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Unisys Corp
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Filing: 1961-01-10
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Granted: 1965-10-19
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Expires: 1981-01-10
Abstract
No abstract record available.
Inventors
- 👤 Everett S Joline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:41
CPC Classifications
G; G01; G01C; G01C23/00; G01C23/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
INDICATING APPARATUS COMPRISING FIRST AND SECOND SERVO MEANS, SAID FIRST AND SECOND SERVO MEANS EACH BEING ADAPTED TO RECEIVE AN INPUT SIGNAL SIMULTANEOUSLY AND BEING EACH ADAPTED TO BE RESPONSIVE RESPECTIVELY TO LONG AND SHORT TERM COMPONENTS OF THE SIGNAL, MEANS PROVIDING A REFERENCE INDEX, SAID MEANS PROVIDING A REFERENCE INDEX BEING COUPLED TO BE DRIVEN IN ONE SENSE BY SAID FIRST SERVO MEANS, AND MARKER MEANS MOVABLE RELATIVE TO SAID REFERENCE INDEX COUPLED TO BE DRIVEN IN AN OPPOSITE SENSE TO THAT OF SAID MEANS PROVIDING REFERENCE INDEX BY SAID SECOND SERVO MEANS, WHEREBY SAID MOVABLE MARKER MEANS PORTIN RELATIVE TO SAID REFERENCE INDEX IS AN INDICATION OF THE INSTANTANEOUS VALUE OF SAID INPUT SIGNAL.
Claim 2
Dependent Claim
116 words
INDICATING APPARATUS COMPRISING FIRST AND SECOND SERVO MEANS, SAID FIRST AND SECOND SERVO MEANS EACH BEING ADAPTED TO RECEIVE AN INPUT SIGNAL SIMULTANEOUSLY AND BEING EACH ADAPTED TO BE RESPONSIVE RESPECTIVELY TO LONG AND SHORT TERM COMPONENTS OF THE SIGNAL, MEANS PROVIDING A REFERENCE INDEX, SAID MEANS PROVIDING A REFERENCE INDEX BEING COUPLED TO BE DRIVEN IN ONE SENSE BY SAID FIRST SERVO MEANS, AND MARKER MEANS MOVABLE RELATIVE TO SAID REFERENCE INDEX COUPLED TO BE DRIVEN IN AN OPPOSITE SENSE TO THAT OF SAID MEANS PROVIDING REFERENCE INDEX BY SAID SECOND SERVO MEANS, WHEREBY SAID MOVABLE MARKER MEANS PORTIN RELATIVE TO SAID REFERENCE INDEX IS AN INDICATION OF THE INSTANTANEOUS VALUE OF SAID INPUT SIGNAL.
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |