Patent US3233084A successfully refreshed from Google Patents.
US3233084A
Expired / Lapsed
US
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Methods and apparatus for obtaining traffic data
Assignee: SPX Technologies Inc
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Filing: 1960-12-27
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Granted: 1966-02-01
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Hugh C Kendall
- 👤 Jr John H Auer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:33
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/01; G08G1/0104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
APPARATUS FOR MEASURING VEHICULAR FLOW VELOCITY COMPRISING, A SINGLE VEHICLE SPEED MEASURING MEANS RESPONSIVE TO EACH VEHICLE IN SEQUENCE FOR PRODUCING IN RESPONSE TO EACH VEHICLE DETECTED A MANIFESTATION OF ITS SPEED, MEANS OPERATIVELY CONNECTED TO SAID SPEED MEASURING MEANS FOR SUBSTANTIALLY CONTINUOUSLY STORING ONLY THE LAST-MEASURED VEHICLE SPEED MANIFESTATION, AND OUTPUT MEANS OPERATIVELY CONNECTED TO SAID STORING MEANS AND CONTINUOUSLY PROVIDING AN OUTPUT MANIFESTATION OF VEHICULAR FLOW VELOCITY,
Claim 2
Dependent Claim
69 words
APPARATUS FOR MEASURING VEHICULAR FLOW VELOCITY COMPRISING, A SINGLE VEHICLE SPEED MEASURING MEANS RESPONSIVE TO EACH VEHICLE IN SEQUENCE FOR PRODUCING IN RESPONSE TO EACH VEHICLE DETECTED A MANIFESTATION OF ITS SPEED, MEANS OPERATIVELY CONNECTED TO SAID SPEED MEASURING MEANS FOR SUBSTANTIALLY CONTINUOUSLY STORING ONLY THE LAST-MEASURED VEHICLE SPEED MANIFESTATION, AND OUTPUT MEANS OPERATIVELY CONNECTED TO SAID STORING MEANS AND CONTINUOUSLY PROVIDING AN OUTPUT MANIFESTATION OF VEHICULAR FLOW VELOCITY,
References Cited (Backward Citations)
US1197281A
Cited
US2131009A
Cited
US2898040A
Cited
US2822977A
Cited
US2859916A
Cited
US2959958A
Cited
US2999999A
Cited
US2925583A
Cited
US2954462A
Cited
US2987704A
Cited
US2933716A
Cited
GB958793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |