US3240160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track lining equipment and method for congested areas
Assignee: Nordberg Manufacturing Co
•
Filing: 1961-06-27
•
Granted: 1966-03-15
•
Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Weltzin B Blix
- 👤 John L Holman
- 👤 John R Rushmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:38
CPC Classifications
E; E01; E01B; E01B35/00; E01B2203/00; E01B2203/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD OF SIMULTANEOUSLY CHECKING AND CORRECTING THE ALIGNMENT AND GAUGE OF RAILROAD TRACK AND THE LIKE, INCLUDING THE STEPS OF ESTABLISHING AN OTHERWISE FREE RECTILINEAR REFERENCE LINE BETWEEN WELL SPACED STATIONS LONGITUDINALLY ALONG THE TRACK, ASSOCIATING THE REFERENCE LINE WITH ONE RAIL, POSITIONED THE REFERENCE LINE AT EACH END THEREOF AT THE SAME PREDETERMINED LATERAL POSITION RELATIVE TO THE SAID ONE RAIL, SIMULTANEOUSLY SENSING THE GAUGE AND LATERAL RELATIONSHIP OF THE REFERENCE LINE TO THE SAID ONE RAIL AT VARIOUS POINTS ALONG THE SAID ONE RAIL, SHIFTING THE SAID ONE RAIL LATERALLY AT A PARTICULAR POSITION WHEN THE POSITION OF THE SAID ONE RAIL RELATIVE TO THE REFENCE LINE VARIES FROM THE PREDETERMINED POSITION TO CORRECT ALIGNMENT THEREOF, SIMULTANEOUSLY THEREWITH SENSING THE GAUGE OF THE RAILS AT THE POINT OF SHIFTING, AND UNSPIKING SHIFTING AND RESPIKING THE OTHER RAIL WHERE ANY VARIATION FROM THE PREDETERMINED GAUGE OCCURS DEPEND-
Claim 2
Independent Claim
149 words
A METHOD OF SIMULTANEOUSLY CHECKING AND CORRECTING THE ALIGNMENT AND GAUGE OF RAILROAD TRACK AND THE LIKE, INCLUDING THE STEPS OF ESTABLISHING AN OTHERWISE FREE RECTILINEAR REFERENCE LINE BETWEEN WELL SPACED STATIONS LONGITUDINALLY ALONG THE TRACK, ASSOCIATING THE REFERENCE LINE WITH ONE RAIL, POSITIONED THE REFERENCE LINE AT EACH END THEREOF AT THE SAME PREDETERMINED LATERAL POSITION RELATIVE TO THE SAID ONE RAIL, SIMULTANEOUSLY SENSING THE GAUGE AND LATERAL RELATIONSHIP OF THE REFERENCE LINE TO THE SAID ONE RAIL AT VARIOUS POINTS ALONG THE SAID ONE RAIL, SHIFTING THE SAID ONE RAIL LATERALLY AT A PARTICULAR POSITION WHEN THE POSITION OF THE SAID ONE RAIL RELATIVE TO THE REFENCE LINE VARIES FROM THE PREDETERMINED POSITION TO CORRECT ALIGNMENT THEREOF, SIMULTANEOUSLY THEREWITH SENSING THE GAUGE OF THE RAILS AT THE POINT OF SHIFTING, AND UNSPIKING SHIFTING AND RESPIKING THE OTHER RAIL WHERE ANY VARIATION FROM THE PREDETERMINED GAUGE OCCURS DEPEND-
References Cited (Backward Citations)
US577580A
Cited
US747872A
Cited
US1096357A
Cited
GB386390A
Cited
US2286456A
Cited
US2832148A
Cited
US2908083A
Cited
US3050015A
Cited
US2962979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |