Patent US3358703A successfully refreshed from Google Patents.
US3358703A
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Method for sealing leaks
Assignee: Standard Oil Co
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Filing: 1965-12-20
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Granted: 1967-12-19
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Ginsburgh Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:11
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/162; F16L55/164; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0441; Y10T137/0452
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN THE METHOD OF SEALING LEAKS IN LIQUID CARRYING CONDUITS BEING OPERATED AT SUPERATMOSPHERIC PRESSURES WHEREIN WOOD SAWDUST PARTICLES ARE INTRODUCED INTO THE LIQUID IN SAID LIQUID CARRYING CONDUIT UPSTREAM OF SAID LEAK AND CARRIED DOWNSTREAM IN SAID LIQUID TO THE AREA OF SAID LEAK WHERE SAID PARTICLES ARE DRAWN INTO THE OPENING IN THE CONDUIT CAUSING THE LEAK BY THE SIDEFLOW RESULTING FROM THE LEAK WHEREBY SAID PARTICLES BECOME LODGED IN SAID OPENING SEALING SAID LEAK, THE IMPROVEMENT COMPRISING THE STEP OF IMPREGNATING SAID WOOD PARTICLES WITH A GASEOUS FLUID PRIOR TO INTRODUCTION OF SAID PARTICLES TO SAID LIQUID CARRYING CONDUIT WHEREBY SAID PARTICLES ARE FLOATABLE IN SAID LIQUID IN SAID CONDUIT.
Claim 2
Dependent Claim
113 words
IN THE METHOD OF SEALING LEAKS IN LIQUID CARRYING CONDUITS BEING OPERATED AT SUPERATMOSPHERIC PRESSURES WHEREIN WOOD SAWDUST PARTICLES ARE INTRODUCED INTO THE LIQUID IN SAID LIQUID CARRYING CONDUIT UPSTREAM OF SAID LEAK AND CARRIED DOWNSTREAM IN SAID LIQUID TO THE AREA OF SAID LEAK WHERE SAID PARTICLES ARE DRAWN INTO THE OPENING IN THE CONDUIT CAUSING THE LEAK BY THE SIDEFLOW RESULTING FROM THE LEAK WHEREBY SAID PARTICLES BECOME LODGED IN SAID OPENING SEALING SAID LEAK, THE IMPROVEMENT COMPRISING THE STEP OF IMPREGNATING SAID WOOD PARTICLES WITH A GASEOUS FLUID PRIOR TO INTRODUCTION OF SAID PARTICLES TO SAID LIQUID CARRYING CONDUIT WHEREBY SAID PARTICLES ARE FLOATABLE IN SAID LIQUID IN SAID CONDUIT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |