US3126522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detector
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:21
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
IN A MASTER TRAFFIC CONTROL SYSTEM, A HIGHWAY COMPRISED OF LANES; A TRAFFIC DETECTOR IN EACH HIGHWAY LANE, FIRST AND SECOND TRAFFIC COUNTERS, SAID FIRST COUNTER CONNECTED TO ALL OF SAID DETECTORS OVER WHICH TRAFFIC IS MOVING IN ONE DIRECTION FOR COUNTING SUCH TRAFFIC PER UNIT OF TIME, SAID SECOND COUNTER CONNECTED TO ALL OF SAID DETECTORS OVER WHICH TRAFFIC IS MOVING IN THE OTHER DIREC-----TION FOR COUNTING SUCH TRAFFIC PER UNIT OF TIME, DISCRIMINATOR MEANS FOR COMPARING THE TOTALS ON SAID FIRST AND SECOND COUNTERS AT THE END OF EACH TIME UNIT AND FOR ALLOCATING THE CENTER LANE OR LANES TO THE HEAVIER DIRECTION OF TRAFFIC FLOW, TIMED RESET MEANS TO REMOVE THE TOTALS
References Cited (Backward Citations)
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US2077924A
Cited
GB360924A
Cited
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Cited
GB398278A
Cited
US1958631A
Cited
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Cited
FR992198A
Cited
US2578046A
Cited
US2594276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |