Patent US3126522A successfully refreshed from Google Patents.
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 10:43
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
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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) | 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 |