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US3465688A
Expired / Lapsed
US
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Railway track ballast tamping machine
Assignee: Matisa Materiel Industriel SA
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Filing: 1967-10-02
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Granted: 1969-09-09
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Expires: 1987-10-02
Abstract
No abstract record available.
Inventors
- 👤 Gerard Sauterel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:40
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/12; E01B27/13; E01B27/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1048797A
Cited
US2052943A
Cited
US3380395A
Cited
US3357366A
Cited
US3372651A
Cited
US3343497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |