US3094846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatement of earth strata containing acid forming chemicals
Assignee: Diamond Shamrock Corp
•
Filing: 1961-02-27
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Granted: 1963-06-25
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Cletus E Peeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:39
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/02; C09K17/12; E; E03; E03B; E03B3/00; E03B3/06; E03B3/08; E03B3/15; Y; Y10; Y10S; Y10S106/00; Y10S106/90; Y10S422/00; Y10S422/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
THE METHOD OF TREATING EARTH STRATA CONTAINING NATURALLY PRESENT ACID-FORMING CHEMICALS WHICH COMPRISES PROVIDING WITHIN THE SOIL AN ALKALI METAL SILICATE CON-
Claim 2
Independent Claim
22 words
THE METHOD OF TREATING EARTH STRATA CONTAINING NATURALLY PRESENT ACID-FORMING CHEMICALS WHICH COMPRISES PROVIDING WITHIN THE SOIL AN ALKALI METAL SILICATE CON-
References Cited (Backward Citations)
US1384990A
Cited
US1428633A
Cited
DE404170C
Cited
GB415565A
Cited
GB415326A
Cited
US2207759A
Cited
US2647084A
Cited
US2580409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |