Patent US3053675A successfully refreshed from Google Patents.
US3053675A
Expired / Lapsed
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Process of and material for treating loose porous soil
Assignee: EUBANKS KAREN L
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Filing: 1958-05-29
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Granted: 1962-09-11
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Expires: 1978-05-29
Abstract
No abstract record available.
Inventors
- 👤 Solomon J Rehmar
- 👤 Norman L Liver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:03
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/40; C09K17/48; C09K17/14; C09K17/18; C09K17/32; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A GELLING COMPOSITION ADAPTED TO BE DISSOLVED IN WATER FOR THE PURPOSE OF EFFECTING A GELLING ACTION THEREOF, SAID COMPOSITION CONSISTING ESSENTIALLY OF FROM 10 TO 30 PARTS BY WEIGHT OF AN INORGANIC HEXAVALENT CHROMIUM SALT AND FROM 80 TO 50 PARTS BY WEIGHT OF A WATER SOLUBLE LIGNIN HAVING A SUGAR CONTENT BELOW 8%.
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |