US3444822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trackwork machines for railroad tracks and improved method of operating same
Assignee: Matisa Materiel Industriel SA
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Filing: 1966-05-02
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Granted: 1969-05-20
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Eugene Oville
- 👤 Gerard Sauterel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:55
CPC Classifications
E; E01; E01B; E01B33/00; E01B33/06; E01B33/10; E01B27/00; E01B27/12; E01B27/13; E01B27/16; E01B27/17; E01B29/00; E01B29/04; E01B33/08; E01B2203/00; E01B2203/14; E01B2203/141; E01B2203/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |