Patent US3149885A successfully refreshed from Google Patents.
US3149885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit for conveying solids in a stream of fluid
Assignee: Individual
•
Filing: 1963-01-21
•
Granted: 1964-09-22
•
Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:28
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/52; B65G53/521; B65G53/526; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
ARRANGEMENT FOR INHIBITING EROSION OF A BENT PORTION OF A CONDUIT CARRYING A MAIN STREAM OF FLUID WITH SOLIDS ENTRAINED THEREIN COMPRISING A NOZZLE ARRANGED TO INJECT A JET OF FLUID INTO THE CONDUIT AT THE BEGINNING OF THE BEND IN THE DIRECTION OF A CHORD EXTENDING ACROSS SAID BEND AND A SECOND NOZZLE ARRANGED TO INJECT A JET OF FLUID INTO THE CONDUIT FROM A POINT IN THE REGION OF THE APEX OF SAID BEND IN A DIRECTION RADIALLY THEREOF.
Claim 2
Dependent Claim
81 words
ARRANGEMENT FOR INHIBITING EROSION OF A BENT PORTION OF A CONDUIT CARRYING A MAIN STREAM OF FLUID WITH SOLIDS ENTRAINED THEREIN COMPRISING A NOZZLE ARRANGED TO INJECT A JET OF FLUID INTO THE CONDUIT AT THE BEGINNING OF THE BEND IN THE DIRECTION OF A CHORD EXTENDING ACROSS SAID BEND AND A SECOND NOZZLE ARRANGED TO INJECT A JET OF FLUID INTO THE CONDUIT FROM A POINT IN THE REGION OF THE APEX OF SAID BEND IN A DIRECTION RADIALLY THEREOF.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |