US3286648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1963-08-30
•
Granted: 1966-11-22
•
Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Brosnan Dennis William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
E; E01; E01B; E01B29/00; E01B29/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A METHOD FOR REPLACING THE RAILS ON THE EXISTING TIES OF A TRACK STRUCTURE WITH CONTINUOUS RIBBON RAILS COMPRISING THE STEPS OF: LAYING THE NEW RAILS AT A NARROW GAUGE BETWEEN THE OLD RAILS OF THE STANDARD GAUGE TRACK TO FORM A SERVICE TRACK; REMOVING SPIKES AND RAIL ANCHORS FROM THE STANDARD GAUGE TRACK; CLEANING THE ENDS OF THE TIES OF THE TRACK STRUCTURE OUTWARDLY OF EACH OF THE RAILS OF THE STANDARD GAUGE TRACK; MOVING THE OLD RAILS RESPECTIVELY OUTWARDLY ONTO THE CLEANED ENDS OF THE TIES; GAUGING THE OLD RAILS AT A PREDETERMINED WIDE GAUGE TO FORM A SECOND SERVICE TRACK; REMOVING OLD TIE PLATES AND RE-CONDITIONING THE SURFACE OF THE TIES IN THE AREAS OF THE REMOVED OLD TIE PLATES; INSTALLING NEW TIE PLATES ON THE RE-CONDITIONED SURFACES OF THE TIES AND GAUGING THE POSITION OF THE SAME FROM THE RAILS OF THE NARROW GAUGE SERVICE TRACK; SPREADING THE NEW RAILS FROM THEIR NARROW GAUGE POSITION TO A POSITION ON THE TIE PLATES; THEN GAUGING THE NEW RAILS TO STANDARD GAUGE AND SPIKING AND ANCHORING THE NEW RAILS TO THE TIES; AND THEN REMOVING THE OLD RAILS CONTINUOUSLY ONTO EQUIPMENT CARRIED ON THE NEW RAILS OF THE STANDARD GAUGE TRACK.
Claim 2
Independent Claim
203 words
A METHOD FOR REPLACING THE RAILS ON THE EXISTING TIES OF A TRACK STRUCTURE WITH CONTINUOUS RIBBON RAILS COMPRISING THE STEPS OF: LAYING THE NEW RAILS AT A NARROW GAUGE BETWEEN THE OLD RAILS OF THE STANDARD GAUGE TRACK TO FORM A SERVICE TRACK; REMOVING SPIKES AND RAIL ANCHORS FROM THE STANDARD GAUGE TRACK; CLEANING THE ENDS OF THE TIES OF THE TRACK STRUCTURE OUTWARDLY OF EACH OF THE RAILS OF THE STANDARD GAUGE TRACK; MOVING THE OLD RAILS RESPECTIVELY OUTWARDLY ONTO THE CLEANED ENDS OF THE TIES; GAUGING THE OLD RAILS AT A PREDETERMINED WIDE GAUGE TO FORM A SECOND SERVICE TRACK; REMOVING OLD TIE PLATES AND RE-CONDITIONING THE SURFACE OF THE TIES IN THE AREAS OF THE REMOVED OLD TIE PLATES; INSTALLING NEW TIE PLATES ON THE RE-CONDITIONED SURFACES OF THE TIES AND GAUGING THE POSITION OF THE SAME FROM THE RAILS OF THE NARROW GAUGE SERVICE TRACK; SPREADING THE NEW RAILS FROM THEIR NARROW GAUGE POSITION TO A POSITION ON THE TIE PLATES; THEN GAUGING THE NEW RAILS TO STANDARD GAUGE AND SPIKING AND ANCHORING THE NEW RAILS TO THE TIES; AND THEN REMOVING THE OLD RAILS CONTINUOUSLY ONTO EQUIPMENT CARRIED ON THE NEW RAILS OF THE STANDARD GAUGE TRACK.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |