Patent US2916853A successfully refreshed from Google Patents.
US2916853A
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US
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Method of stabilizing soils by adding a humate
Assignee: FMC Corp
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Filing: 1955-05-05
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Granted: 1959-12-15
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Expires: 1975-05-05
Abstract
No abstract record available.
Inventors
- 👤 Harold K Latourette
- 👤 Paul E Levesque
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:28
CPC Classifications
A; A01; A01G; A01G7/00; B; B09; B09C; B09C1/00; B09C1/08; C; C05; C05F; C05F11/00; C05F11/02; C05G; C05G3/00; C05G3/80; C09; C09K; C09K17/00; C09K17/02; C09K17/40; E; E02; E02D; E02D3/00; E02D3/12; Y; Y10; Y10S; Y10S106/00; Y10S106/90
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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |