US3131032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erosion preventing apparatus
Assignee: Phillips Petroleum Co
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Filing: 1961-03-10
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Granted: 1964-04-28
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 George E Mckenna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:54
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1872
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
APPARATUS FOR CONVEYING A SUSPENSION OF ABRASIVE PARTICULATE SOLIDS COMPRISING: (1) A MAIN CONDUIT FOR SAID SUSPENSION; (2) A SECOND SMALLER CONDUIT FOR INTRODUCING FLUID INTO SAID SUSPENSION EXTENDING TRANSVERSELY INTO AND TERMINATING WITHIN SAID MAN CONDUIT WITH ITS TERMINUS THEREIN DIRECTED DOWNSTREAM OF SAID MAIN CONDUIT; (3) A SUBSTANTIALLY FLUID TIGHT BOX SHIELDING THE UPSTREAM SURFACE OF THAT SECTION OF SAID SECOND CONDUIT WITHIN SAID MAIN CONDUIT FROM ABRASIVE SOLIDS, SAID BOX HAVING AN OPEN UPSTREAM END AND ITS DOWNSTREAM END BEING CONTIGUOUS WITH SAID SSECOND CONDUIT, SAID BOX EXTENDING BOTH LONGITUDINALLY AND TRANSVERSELY OF SAID SECTION SUBSTANTIALLY THE WIDTH AND LENGTH THEREOF; AND (4) A FIXED PLATE WITHIN SAID BOX TRANSVERSE TO THE AXIS OF SAID MAIN CONDUIT, SPACED INTERMEDIATE THE UPSTREAM AND DOWNSTREAM ENDS OF SAID BOX, SAID PLATE EXTENDING SUBSTANTIALLY ACROSS THE WIDTH AND HEIGHT OF SAID BOX.
Claim 2
Dependent Claim
142 words
APPARATUS FOR CONVEYING A SUSPENSION OF ABRASIVE PARTICULATE SOLIDS COMPRISING: (1) A MAIN CONDUIT FOR SAID SUSPENSION; (2) A SECOND SMALLER CONDUIT FOR INTRODUCING FLUID INTO SAID SUSPENSION EXTENDING TRANSVERSELY INTO AND TERMINATING WITHIN SAID MAN CONDUIT WITH ITS TERMINUS THEREIN DIRECTED DOWNSTREAM OF SAID MAIN CONDUIT; (3) A SUBSTANTIALLY FLUID TIGHT BOX SHIELDING THE UPSTREAM SURFACE OF THAT SECTION OF SAID SECOND CONDUIT WITHIN SAID MAIN CONDUIT FROM ABRASIVE SOLIDS, SAID BOX HAVING AN OPEN UPSTREAM END AND ITS DOWNSTREAM END BEING CONTIGUOUS WITH SAID SSECOND CONDUIT, SAID BOX EXTENDING BOTH LONGITUDINALLY AND TRANSVERSELY OF SAID SECTION SUBSTANTIALLY THE WIDTH AND LENGTH THEREOF; AND (4) A FIXED PLATE WITHIN SAID BOX TRANSVERSE TO THE AXIS OF SAID MAIN CONDUIT, SPACED INTERMEDIATE THE UPSTREAM AND DOWNSTREAM ENDS OF SAID BOX, SAID PLATE EXTENDING SUBSTANTIALLY ACROSS THE WIDTH AND HEIGHT OF SAID BOX.
References Cited (Backward Citations)
US610066A
Cited
DE501591C
Cited
CA509535A
Cited
CA511826A
Cited
US2899374A
Cited
US2786801A
Cited
US2937988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |