US1471760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway-track ballast grading and surfacing machine
Assignee: Individual
•
Filing: 1922-12-02
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Granted: 1923-10-23
•
Expires: 1942-12-02
Abstract
No abstract record available.
Inventors
- 👤 Ursino Pasquale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:19
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/12; E01B27/13; E01B27/02; E01B27/023; E01B27/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-10-22 | 1927-04-23 | 1927-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-10-22 | 1931-04-23 | 1931-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-10-22 | 1935-04-23 | 1935-10-23 | $7700.00 | Window Closed / Lapsed |