US3430579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamping tool
Assignee: Australian Railway Equipment Supply Co Pty Ltd
•
Filing: 1967-03-10
•
Granted: 1969-03-04
•
Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 William J Yard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:52
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/12; E01B27/13; E01B27/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2956513A
Cited
US3071082A
Cited
US3000328A
Cited
US3016023A
Cited
US3028818A
Cited
US3357366A
Cited
US3343497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |