Patent US3341256A successfully refreshed from Google Patents.
US3341256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for conveying mineral solids through conduits
Assignee: Individual
•
Filing: 1963-05-24
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Granted: 1967-09-12
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Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Roger L Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:58
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR CONVEYING SOLIDS THROUGH A CONDUIT COMPRISING PASSING SAID SOLIDS THROUGH SAID CONDUIT WHILE SAID SOLIDS ARE SUSPENDED IN A THIXOTROPIC GEL MADE ESSENTIALLY FROM (1) WATER, (2) LEONHARDITE, (3) A BASIC ALKALI METAL COMPOUND AND (4) AN ALKALINE EARTH METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALINE EARTH OXIDES AND ALKALINE EARTH SALTS, WHEREBY THE SHEA
Claim 2
Dependent Claim
60 words
A PROCESS FOR CONVEYING SOLIDS THROUGH A CONDUIT COMPRISING PASSING SAID SOLIDS THROUGH SAID CONDUIT WHILE SAID SOLIDS ARE SUSPENDED IN A THIXOTROPIC GEL MADE ESSENTIALLY FROM (1) WATER, (2) LEONHARDITE, (3) A BASIC ALKALI METAL COMPOUND AND (4) AN ALKALINE EARTH METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALINE EARTH OXIDES AND ALKALINE EARTH SALTS, WHEREBY THE SHEA
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |