US2602694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway track servicing apparatus
Assignee: Individual
•
Filing: 1948-06-04
•
Granted: 1952-07-08
•
Expires: 1968-06-04
Abstract
No abstract record available.
Inventors
- 👤 Richardson William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:50
CPC Classifications
E; E01; E01H; E01H8/00; E01H8/10; E01H8/105; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579; Y10T137/6851; Y10T137/6855; Y10T137/6899; Y10T137/6903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2118294A
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US2181521A
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US2401316A
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US2456732A
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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) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |