US3106962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil well tubing cleaner
Assignee: JM Huber Corp
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Filing: 1958-08-28
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Granted: 1963-10-15
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Expires: 1978-08-28
Abstract
No abstract record available.
Inventors
- 👤 Dunham Evelyn Louise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:02
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A PARAFFIN SCRAPER OF THE TYPE ADAPTED FOR ATTACHMENT TO A SUCKER ROD WITHIN A WELL TUBING COMPRISING A PLATE FORMED OF RELATIVELY THIN BENDABLE ELASTIC MATERIAL A PAIR OF SPACED APART LUGS INTEGRALLY FORMED ON ONE EDGE OF SAID PLATE, A SINGLE LUG INTEGRALLY FORMED ON A SECOND EDGE OF SAID PLATE PARALLEL TO SAID ONE EDGE, SAID SINGLE LUG BEING ADAPTED TO ENGAGE BETWEEN SAID PAIR OF LUGS WITH SAID SCRAPER ENCOMPASSING A SUCKER ROD, SAID PAIR OF LUGS AND SAID SINGLE LUG EACH HAVING A BORE ADAPTED TO RESPECTIVELY ALIGN WITH SAID SINGLE LUG ENGAGED BETWEEN SAID PAIR OF LUGS, AND A LOCK PIN EXTENDING THROUGH SAID BORES FOR SECURING SAID SCRAPER TO SAID SUCKER ROD, SAID SCRAPER BEING ATTACHED TO SAID SUCKER ROD WITH SAID PLATE ENGAGING THE OUTER SURFACE OF SAID SUCKER ROD, SAID LUGS EXTENDING RADIALLY OUTWARDLY FROM SAID SUCKER ROD A SUBSTANTIAL DISTANCE GREATER THAN SAID PLATE TO FROM A SCRAPING PORTION ON SAID SCRAPER.
Claim 2
Dependent Claim
162 words
A PARAFFIN SCRAPER OF THE TYPE ADAPTED FOR ATTACHMENT TO A SUCKER ROD WITHIN A WELL TUBING COMPRISING A PLATE FORMED OF RELATIVELY THIN BENDABLE ELASTIC MATERIAL A PAIR OF SPACED APART LUGS INTEGRALLY FORMED ON ONE EDGE OF SAID PLATE, A SINGLE LUG INTEGRALLY FORMED ON A SECOND EDGE OF SAID PLATE PARALLEL TO SAID ONE EDGE, SAID SINGLE LUG BEING ADAPTED TO ENGAGE BETWEEN SAID PAIR OF LUGS WITH SAID SCRAPER ENCOMPASSING A SUCKER ROD, SAID PAIR OF LUGS AND SAID SINGLE LUG EACH HAVING A BORE ADAPTED TO RESPECTIVELY ALIGN WITH SAID SINGLE LUG ENGAGED BETWEEN SAID PAIR OF LUGS, AND A LOCK PIN EXTENDING THROUGH SAID BORES FOR SECURING SAID SCRAPER TO SAID SUCKER ROD, SAID SCRAPER BEING ATTACHED TO SAID SUCKER ROD WITH SAID PLATE ENGAGING THE OUTER SURFACE OF SAID SUCKER ROD, SAID LUGS EXTENDING RADIALLY OUTWARDLY FROM SAID SUCKER ROD A SUBSTANTIAL DISTANCE GREATER THAN SAID PLATE TO FROM A SCRAPING PORTION ON SAID SCRAPER.
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |