US3144049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for sealing leaks and leak sealant
Assignee: Standard Oil Co
•
Filing: 1962-06-28
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Granted: 1964-08-11
•
Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 Ginsburgh Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:01
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/162; F16L55/164; E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/068; E21B33/10; E21B33/13; E21B33/138; G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/20; G01M3/202
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
44 words
THE METHOD OF SEALING LEAKS IN LIQUID CARRYING CONDUITS WITH PROOUS, DEFORMABLE NEOPRIENE PLUGS WHICH METHOD COMPRISES: IMPREGNATING SAID PLUGS WITH A LIQUID TO IMPART TO SAID PLUGS A BULK DENSITY SUBSTANTIALLY EQUAL TO THE DENSITY OF THE LIQUID FLOWING IN THE CONDUIT; INTRO-
References Cited (Backward Citations)
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US2216183A
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US2699212A
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US2828769A
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US2754910A
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US3011548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |