US2180198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for emplacing concrete
Assignee: International Vibration Co
•
Filing: 1938-11-22
•
Granted: 1939-11-14
•
Expires: 1958-11-22
Abstract
No abstract record available.
Inventors
- 👤 William P Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:44
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/30; E01C19/34; E01C19/40; E01C19/407
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1942-11-13 | 1943-05-15 | 1943-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-13 | 1947-05-15 | 1947-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-13 | 1951-05-15 | 1951-11-14 | $7700.00 | Window Closed / Lapsed |