Patent US3282345A successfully refreshed from Google Patents.
US3282345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide and scraper
Assignee: Individual
•
Filing: 1964-03-09
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Granted: 1966-11-01
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 James C Tripplehorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:20
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/02; E21B17/00; E21B17/10; E21B17/1071
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
181 words
IN OIL WELL EQUIPMENT, A GUIDE AND SCRAPER TO BE ATTACHED TO A SUCKER ROD, SAID GUIDE AND SCRAPER COMPRISING AN ELONGATED BODY OF RESILIENT DEFORMABLE MATERIAL WITH A LONGITUDINAL BORE THERETHROUGH TO RECEIVE THE ROD, THE DIAMETER OF THE BORE BEING SLIGHTLY LESS THAN THE DIAMETER OF THE ROD, THE BODY HAVING A SLOT THROUGH ITS SIDE DISPOSED TRANSVERSELY OF THE BORE AND EXTENDING TO THE FULL DEPTH THEREOF AND WIDER THAN THE DIAMETER OF THE BORE, AND SAID BODY HAVING TWO LONGITUDINAL SLOTS THERETHROUGH COMMUNICATING WITH SAID BORE AND NARROWER IN WIDTH THAN THE DIAMETER THEREOF, AND THESE TWO SLOTS EXTENDING FROM OPPOSITE ENDS OF THE TRANSVERSE SLOT TO OPPOSITE ENDS OF THE BODY, AND THE EXTERIOR CONTOUR OF SAID BODY TAPERING DOWN IN DIAMETER FROM THE TRANSVERSE SLOT TOWARD AT LEAST ONE END OF THE BODY TO PROVIDE AT THAT END THEREOF A GENERALLY FRUSTOCONICAL SURFACE, EACH OF SAID TWO SLOTS BEING FLARED FOR PART OF ITS LENGTH AND THEREBY WIDENED WHERE IT OPENS INTO THE TRANSVERSE SLOT TO A WIDTH GREATER THAN THE DIAMETER OF SIDE BORE.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |