US3440537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bar-graph display instrument
Assignee: NON LINEAR SYSTEMS Inc
•
Filing: 1963-08-20
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Granted: 1969-04-22
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Expires: 1983-08-20
Abstract
No abstract record available.
Inventors
- 👤 Robert T Warner
- 👤 Robert R Christy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:55
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A BAR-GRAPH DISPLAY INSTRUMENT COMPRISING, MEANS SENSITIVE TO VARIOUS CLASSES OF INPUT VOLTAGE, AND A MULTIPLICITY OF LIKE AND ADJACENTLY RELATED VISIBLE BAR PRODUCING UNITS AND EACH INCLUDING, A FIXED CARRIAGE WITH A NARROW AND ELONGATED OBSERVATION EDGE DISPOSED IN A COMMMON PLANE FROM A COMMON BASE LINE, A PARTIALLY VISIBLE AND CONTINUOUS LOOP-SHAPED ELEMENT MOVABLE LONGITUDINALLY AND ADVANCIVELY ONLY AND INCREMENTALLY OVER SAID OBSERVATION EDGE AND WITH A DISCERNABLE LIGHT TRANSMITTING PORTION THEREON, A FIRST LIGHT SOURCE AND UNIFORMLY REFLECTIVE ELEMENT WITHIN THE CARRIAGE AND DISPOSED TO PROJECT LIGHT COEXTENSIVE TO SAID OBSERVATION EDGE AND FORWARDLY THEREFROM, A DRIVE MEANS FOR THE ELEMENT AND OPERABLE TO ADVANCE ONLY SAID ELEMENT IN RESPONSE TO A PULSE, AND MEANS ASSOCIATED WITH SAID UNIT AND DRIVE MEANS THEREFOR TO SENSE A PREDETERMINED CLASS OF INPUT VOLTAGE FROM THE FIRST MENTIONED MEANS AND TO DELIVER A PULSE TO THE DRIVE MEANS AND THEREBY ADVANCE THE DISCERNABLE PORTION OF THE ELEMENT TO A LONGITUDINAL POSITION, THERE BEING AN OPAQUE AND LIGHT REFLECTIVE AREA ON SAID ELEMENT, AND
Claim 2
Dependent Claim
173 words
A BAR-GRAPH DISPLAY INSTRUMENT COMPRISING, MEANS SENSITIVE TO VARIOUS CLASSES OF INPUT VOLTAGE, AND A MULTIPLICITY OF LIKE AND ADJACENTLY RELATED VISIBLE BAR PRODUCING UNITS AND EACH INCLUDING, A FIXED CARRIAGE WITH A NARROW AND ELONGATED OBSERVATION EDGE DISPOSED IN A COMMMON PLANE FROM A COMMON BASE LINE, A PARTIALLY VISIBLE AND CONTINUOUS LOOP-SHAPED ELEMENT MOVABLE LONGITUDINALLY AND ADVANCIVELY ONLY AND INCREMENTALLY OVER SAID OBSERVATION EDGE AND WITH A DISCERNABLE LIGHT TRANSMITTING PORTION THEREON, A FIRST LIGHT SOURCE AND UNIFORMLY REFLECTIVE ELEMENT WITHIN THE CARRIAGE AND DISPOSED TO PROJECT LIGHT COEXTENSIVE TO SAID OBSERVATION EDGE AND FORWARDLY THEREFROM, A DRIVE MEANS FOR THE ELEMENT AND OPERABLE TO ADVANCE ONLY SAID ELEMENT IN RESPONSE TO A PULSE, AND MEANS ASSOCIATED WITH SAID UNIT AND DRIVE MEANS THEREFOR TO SENSE A PREDETERMINED CLASS OF INPUT VOLTAGE FROM THE FIRST MENTIONED MEANS AND TO DELIVER A PULSE TO THE DRIVE MEANS AND THEREBY ADVANCE THE DISCERNABLE PORTION OF THE ELEMENT TO A LONGITUDINAL POSITION, THERE BEING AN OPAQUE AND LIGHT REFLECTIVE AREA ON SAID ELEMENT, AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |