Patent US1945145A successfully refreshed from Google Patents.
US1945145A
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US
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Method of and apparatus for compacting and dewatering cementitious mixtures
Assignee: VIBER Co Ltd
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Filing: 1932-04-04
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Granted: 1934-01-30
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Expires: 1952-04-04
Abstract
No abstract record available.
Inventors
- 👤 Graham M Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:40
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/30; E01C19/34; E01C19/40; E01C19/407; Y; Y10; Y10S; Y10S264/00; Y10S264/78
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) | 1937-01-29 | 1937-07-31 | 1938-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-29 | 1941-07-31 | 1942-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-29 | 1945-07-31 | 1946-01-30 | $7700.00 | Window Closed / Lapsed |