US2869329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible mandrel
Assignee: Compagnie Internationale des Wagons-Lits et du Tourisme SA
•
Filing: 1954-01-12
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Granted: 1959-01-20
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Expires: 1974-01-12
Abstract
No abstract record available.
Inventors
- 👤 Jourdain Andre Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:20
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/28; E02D7/30; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1021; Y10T279/1024; Y10T279/12; Y10T279/1274; Y10T279/1283; Y10T279/34; Y10T279/3456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1491832A
Cited
US1912089A
Cited
US2437043A
Cited
US2625015A
Cited
US2708994A
Cited
US2684577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |