Patent US3820120A successfully refreshed from Google Patents.
Patent US3389677A successfully refreshed from Google Patents.
US3389677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic control device
Assignee: Individual
•
Filing: 1966-12-16
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Granted: 1968-06-25
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Expires: 1986-12-16
Abstract
No abstract record available.
Inventors
- 👤 Leo J Dunne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:06
CPC Classifications
E; E01; E01F; E01F13/00; E01F13/04; E01F13/044; E01F9/00; E01F9/50; E01F9/529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A TRAFFIC CONTROL APPARATUS FOR INDICATING EXCESSIVE SPEED OF VEHICLES OVER A ROADWAY, COMPRISING: (A) A PLURALITY OF CLOSED, ELONGATED, FLEXIBLE AIR TUBES; (B) SAID PLURALITY OF AIR TUBES BEING DISPOSED PARALLEL TO THE DIRECTION OF FLOW OF VEHICULAR TRAFFIC OVER SAID ROADWAY, AND IN A SIDE-BY-SIDE RELATIONSHIP ACROSS SAID ROADWAY; (C) A PLURALITY OF CLOSED, INFLATABLE POST-LIKE TUBULAR BARRIER MEMBERS DISPOSED AT ONE END OF SAID PLURALITY OF ELONGATED AIR TUBES, AT RIGHT ANGLES TO THE LENGTH OF SAID TUBES, AND IN ALIGNMENT TRANSVERSE OF SAID ROADWAY; (D) EACH OF SAID PLURALITY OF TUBULAR BARRIER MEMBERS BEING IN FLUID COMMUNICATION WITH AT LEAST ONE OF SAID ELONGATED AIR TUBES; AND, (E) THE OTHER END OF SAID PLURALITY OF ELONGATED AIR TUBES BEING DISPOSED TOWARD THE APPROACHING VEHICULAR TRAFFIC ON SAID ROADWAY, WHEREBY THE WHEELS OF SAID VEHICULAR TRAFFIC PASS LENGTHWISE OVER SOME OF SAID ELONGATED TUBES CAUSING THE AIR IN SAID TUBES TO BE FORCED FORWARDLY INTO RESPECTIVE TUBULAR BARRIER MEMBERS INFLATING SAID MEMBERS TO PROVIDE A MOMENTARY FLEXIBLE BARRIER ACROSS SAID ROADWAY IN THE PATH OF SAID WHEELS.
Claim 2
Dependent Claim
180 words
A TRAFFIC CONTROL APPARATUS FOR INDICATING EXCESSIVE SPEED OF VEHICLES OVER A ROADWAY, COMPRISING: (A) A PLURALITY OF CLOSED, ELONGATED, FLEXIBLE AIR TUBES; (B) SAID PLURALITY OF AIR TUBES BEING DISPOSED PARALLEL TO THE DIRECTION OF FLOW OF VEHICULAR TRAFFIC OVER SAID ROADWAY, AND IN A SIDE-BY-SIDE RELATIONSHIP ACROSS SAID ROADWAY; (C) A PLURALITY OF CLOSED, INFLATABLE POST-LIKE TUBULAR BARRIER MEMBERS DISPOSED AT ONE END OF SAID PLURALITY OF ELONGATED AIR TUBES, AT RIGHT ANGLES TO THE LENGTH OF SAID TUBES, AND IN ALIGNMENT TRANSVERSE OF SAID ROADWAY; (D) EACH OF SAID PLURALITY OF TUBULAR BARRIER MEMBERS BEING IN FLUID COMMUNICATION WITH AT LEAST ONE OF SAID ELONGATED AIR TUBES; AND, (E) THE OTHER END OF SAID PLURALITY OF ELONGATED AIR TUBES BEING DISPOSED TOWARD THE APPROACHING VEHICULAR TRAFFIC ON SAID ROADWAY, WHEREBY THE WHEELS OF SAID VEHICULAR TRAFFIC PASS LENGTHWISE OVER SOME OF SAID ELONGATED TUBES CAUSING THE AIR IN SAID TUBES TO BE FORCED FORWARDLY INTO RESPECTIVE TUBULAR BARRIER MEMBERS INFLATING SAID MEMBERS TO PROVIDE A MOMENTARY FLEXIBLE BARRIER ACROSS SAID ROADWAY IN THE PATH OF SAID WHEELS.
References Cited (Backward Citations)
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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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |