US3306355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation consolidation
Assignee: Union Oil Company of California
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Filing: 1964-06-09
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Granted: 1967-02-28
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Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 George P Maly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/56; C09K8/57; C09K8/572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A METHOD OF CONSOLIDATING LOOSE SAND WHICH COMPRISES: CONTRACTING SAID LOOSE SAND WITH AN AQUEOUS BASIC SOLUTION; PERMITTING SAID AQUEOUS BASIC SOLUTION TO REACT WITH SAID SAND; CONTRACTING SAID REACTED SAND WITH AN ACID; AND DEHYDRATING AT LEAST A PORTION OF SAID ACID-CONTACTED SAND.
Claim 2
Independent Claim
44 words
A METHOD OF CONSOLIDATING LOOSE SAND WHICH COMPRISES: CONTRACTING SAID LOOSE SAND WITH AN AQUEOUS BASIC SOLUTION; PERMITTING SAID AQUEOUS BASIC SOLUTION TO REACT WITH SAID SAND; CONTRACTING SAID REACTED SAND WITH AN ACID; AND DEHYDRATING AT LEAST A PORTION OF SAID ACID-CONTACTED SAND.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |