US3374844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for weighing railroad cars in motion
Assignee: RAILROAD MACHINERY DEV CORP
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Filing: 1965-10-22
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Granted: 1968-03-26
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Rogers Edward Laurence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:41
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/02; G01G19/04; G01G19/045; G01G19/047; G01G23/00; G01G23/18; G01G23/36; G01G23/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
APPARATUS FOR WEIGHING SUCCESSIVE RAILROAD CARS OF A TRAIN IN MOTION, SAID APPARATUS INCLUDING A RAILROAD TRACK WEIGH SECTION, MEMBERS SPACED FROM ONE ANOTHER IN A DIRECTION LENGTHWISE OF THE WEIGH SECTION FOR ACTUACTION IN SUCCESSION AS THE ROLLING EQUIPMENT APPROACHING THE WEIGHING POSITION ON THE WEIGH SECTION REACHES PREDETERMINED SUCCESSIVE POSITIONS FOR DETERMINING IF THE ROLLING EQUIPMENT IS FREIGHT CAR TO BE WEIGHED OR A LOCOMOTIVE AND FOR DETERMINING IF THE EQUIPMENT IS A FREIGHT CAR HAVING TRUCKS OF TWO AXLES OR OF THREE AXLES, AND A WEIGHT RECORDER CONTROLLED BY SAID MEMBERS.
Claim 2
Dependent Claim
94 words
APPARATUS FOR WEIGHING SUCCESSIVE RAILROAD CARS OF A TRAIN IN MOTION, SAID APPARATUS INCLUDING A RAILROAD TRACK WEIGH SECTION, MEMBERS SPACED FROM ONE ANOTHER IN A DIRECTION LENGTHWISE OF THE WEIGH SECTION FOR ACTUACTION IN SUCCESSION AS THE ROLLING EQUIPMENT APPROACHING THE WEIGHING POSITION ON THE WEIGH SECTION REACHES PREDETERMINED SUCCESSIVE POSITIONS FOR DETERMINING IF THE ROLLING EQUIPMENT IS FREIGHT CAR TO BE WEIGHED OR A LOCOMOTIVE AND FOR DETERMINING IF THE EQUIPMENT IS A FREIGHT CAR HAVING TRUCKS OF TWO AXLES OR OF THREE AXLES, AND A WEIGHT RECORDER CONTROLLED BY SAID MEMBERS.
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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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |