US3110227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of machining welded rail joints
Assignee: Individual
•
Filing: 1960-11-04
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Granted: 1963-11-12
•
Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Croucher Antony Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:08
CPC Classifications
B; B23; B23D; B23D79/00; B23D79/02; B23D79/026; B23D37/00; Y; Y10; Y10T; Y10T409/00; Y10T409/40; Y10T409/400175; Y10T409/402625; Y10T409/404375
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A METHOD OF SMOOTHING THE JOINTS OF BUTT WELDED RAILS HAVING AN UPPER FLANGE TO PROVIDE A RUNNING SURFACE AND A LOWER FLANGE FOR ENGAGEMENT WITH SECURING MEANS, COMPRISING GRIPPING THE RAIL ADJACENT THE JOINT TO BE SMOOTHED AND PASSING CURVED BROACHES AGAINST EACH SIDE OF THE UPPER FLANGE AT AND ADJACENT THE JOINT TO SMOOTH THE RUNNING SURFACE.
Claim 2
Independent Claim
59 words
A METHOD OF SMOOTHING THE JOINTS OF BUTT WELDED RAILS HAVING AN UPPER FLANGE TO PROVIDE A RUNNING SURFACE AND A LOWER FLANGE FOR ENGAGEMENT WITH SECURING MEANS, COMPRISING GRIPPING THE RAIL ADJACENT THE JOINT TO BE SMOOTHED AND PASSING CURVED BROACHES AGAINST EACH SIDE OF THE UPPER FLANGE AT AND ADJACENT THE JOINT TO SMOOTH THE RUNNING SURFACE.
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |