Patent US4542718A successfully refreshed from Google Patents.
Patent US2747918A successfully refreshed from Google Patents.
US2747918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway vehicle axles
Assignee: Individual
•
Filing: 1953-02-12
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Granted: 1956-05-29
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Expires: 1973-02-12
Abstract
No abstract record available.
Inventors
- 👤 Blackwood Waves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:40
CPC Classifications
B; B60; B60B; B60B37/00; B60B37/06; B60B37/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49908; Y10T29/49909; Y10T29/49911; Y10T29/49913; Y10T403/00; Y10T403/45; Y10T403/455; Y10T403/458
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US293201A
Cited
US1827268A
Cited
US2051864A
Cited
US2233191A
Cited
US2362008A
Cited
US2609194A
Cited
US2436681A
Cited
US2522350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |