US3372267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Journal temperature information recording system for trains
Assignee: SPX Technologies Inc
•
Filing: 1965-01-05
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Granted: 1968-03-05
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Expires: 1985-01-05
Abstract
No abstract record available.
Inventors
- 👤 Donald W Bramer
- 👤 Brockman Lyle
- 👤 Henry C Sibley
- 👤 John A Snell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:08
CPC Classifications
B; B61; B61L; B61L1/00; B61L1/16; B61L1/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A SYSTEM FOR COUNTING VEHICLES AS THEY PASS A PARTICULAR LOCATION ALONG A RIGHT OF WAY COMPRISING, FIRST AND SECOND WHEEL DETECTORS DISPOSED AT SPACED INTERVALS ALONG THE RIGHT OF WAY FOR PROVIDING OUTPUTS RESPECTIVELY EACH TIME A WHEEL OF A VEHICLE PASSES IN CLOSE PROXIMITY TO THE ASSOCIATED DETECTOR, SAID DETECTORS BEING SPACED A DISTANCE APART LESS THAN A DISTANCE BETWEEN INSIDE FRONT AND REAR AXLES OF ANY OF OF THE VEHICLES, REVERSIBLE WHEEL COUNTERS FOR COUNTING THE OUTPUTS OF THE WHEEL DETECTORS RESPECTIVELY, CONTROL MEANS FOR CAUSING SAID COUNTERS TO OPERATE THROUGH A COMPLETE CYCLE FOR EACH VEHICLE FROM A ZERO OUTPUT COUNT TO A COUNT OF A TOTAL NUMBER OF OUTPUTS FOR FORWARD AXLES OF A VEHICLE AND RETURN TO ZERO COUNT BY SUBSTRACTING COUNTS OF OUTPUTS FOR REAR AXLES FOR THAT VEHICLE, SAID CONTROL MEANS BEING OPERABLE IN RESPONSE TO A PARTICULAR COUNT BEING MADE BY AT LEAST ONE OF THE COUNTERS TO REVERSE THE COUNTERS AFTER THE OUTPUTS CAUSED BY PASSAGE OF ALL FORWARD AXLES OF A VEHICLE HAVE BEEN COUNTED BY BOTH COUNTERS, RESPECTIVELY AND MEANS FOR GENERATING A VEHICLE COUNT OUTPUT IN RESPONSE TO THE
Claim 2
Independent Claim
192 words
A SYSTEM FOR COUNTING VEHICLES AS THEY PASS A PARTICULAR LOCATION ALONG A RIGHT OF WAY COMPRISING, FIRST AND SECOND WHEEL DETECTORS DISPOSED AT SPACED INTERVALS ALONG THE RIGHT OF WAY FOR PROVIDING OUTPUTS RESPECTIVELY EACH TIME A WHEEL OF A VEHICLE PASSES IN CLOSE PROXIMITY TO THE ASSOCIATED DETECTOR, SAID DETECTORS BEING SPACED A DISTANCE APART LESS THAN A DISTANCE BETWEEN INSIDE FRONT AND REAR AXLES OF ANY OF OF THE VEHICLES, REVERSIBLE WHEEL COUNTERS FOR COUNTING THE OUTPUTS OF THE WHEEL DETECTORS RESPECTIVELY, CONTROL MEANS FOR CAUSING SAID COUNTERS TO OPERATE THROUGH A COMPLETE CYCLE FOR EACH VEHICLE FROM A ZERO OUTPUT COUNT TO A COUNT OF A TOTAL NUMBER OF OUTPUTS FOR FORWARD AXLES OF A VEHICLE AND RETURN TO ZERO COUNT BY SUBSTRACTING COUNTS OF OUTPUTS FOR REAR AXLES FOR THAT VEHICLE, SAID CONTROL MEANS BEING OPERABLE IN RESPONSE TO A PARTICULAR COUNT BEING MADE BY AT LEAST ONE OF THE COUNTERS TO REVERSE THE COUNTERS AFTER THE OUTPUTS CAUSED BY PASSAGE OF ALL FORWARD AXLES OF A VEHICLE HAVE BEEN COUNTED BY BOTH COUNTERS, RESPECTIVELY AND MEANS FOR GENERATING A VEHICLE COUNT OUTPUT IN RESPONSE TO THE
References Cited (Backward Citations)
US2992776A
Cited
US3201584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |