US1830651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the production of piles of concrete and the like
Assignee: Compagnie Internationale des Wagons-Lits et du Tourisme SA
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Filing: 1927-11-15
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Granted: 1931-11-03
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Expires: 1947-11-15
Abstract
No abstract record available.
Inventors
- 👤 Frankignoul Edgard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:34
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/28; E02D7/30; E02D15/00; E02D15/02; E02D15/04; E02D5/00; E02D5/22; E02D5/34; E02D5/38; E02D5/385
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) | 1934-11-02 | 1935-05-04 | 1935-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-11-02 | 1939-05-04 | 1939-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-11-02 | 1943-05-04 | 1943-11-03 | $7700.00 | Window Closed / Lapsed |