US3345950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep well pumping apparatus
Assignee: Individual
•
Filing: 1966-04-29
•
Granted: 1967-10-10
•
Expires: 1986-04-29
Abstract
No abstract record available.
Inventors
- 👤 Emil A Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:08
CPC Classifications
F; F04; F04B; F04B47/00; Y; Y10; Y10S; Y10S417/00; Y10S417/904; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2154; Y10T74/2156
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
PUMPING APPARATUS FOR AN OIL WELL OF THE LIKE HAVING A PUMP COMPRISING A VERTICALLY RECIPORCATING ROD STRING ACTUATED BY RECIPROCATING MOTIVE MEANS, SAID PUMP MOUNTED UPON A TOWER HAVING GENERALLY A GREATER HEIGHT THAN THE STROKE OF THE RECIPROCATING ROD STRING OF THE PUMP AND LOCATED ABOVE THE OIL WELL; A YOKE RECEIVING IN COUPLING ENGAGEMENT THE UPPER END OF THE PUMP ROD STRING; A MOTOR INCLUDED IN SAID MOTIVE MEANS MOUNTED AT THE TOP OF THE TOWER; A SHAFT ALSO AT THE TOP OF THE TOWER DRIVEN BY SAID MOTRO; A WHEEL MOUNTED OUTWARDLY ON EACH END OF SAID SHAFT; A FLEXIBLE DRIVE ELEMENT TRAINED OVER EACH OF SAID WHEELS IN POSITIVE DRIVING RELATIONSHIP THERETO AND HAVING ONE SET OF THE COMPANION ENDS OF SAID ELEMENTS BE ING FIXED TO THE YOKE; A COUNTERWEIGHT HUNG IN THE OTHER SET OF COMPANION ENDS OF THE DRIVE ELEMENT, AND MEANS FOR DRIVING AND BRAKING SAID MOTOR.
Claim 2
Dependent Claim
156 words
PUMPING APPARATUS FOR AN OIL WELL OF THE LIKE HAVING A PUMP COMPRISING A VERTICALLY RECIPORCATING ROD STRING ACTUATED BY RECIPROCATING MOTIVE MEANS, SAID PUMP MOUNTED UPON A TOWER HAVING GENERALLY A GREATER HEIGHT THAN THE STROKE OF THE RECIPROCATING ROD STRING OF THE PUMP AND LOCATED ABOVE THE OIL WELL; A YOKE RECEIVING IN COUPLING ENGAGEMENT THE UPPER END OF THE PUMP ROD STRING; A MOTOR INCLUDED IN SAID MOTIVE MEANS MOUNTED AT THE TOP OF THE TOWER; A SHAFT ALSO AT THE TOP OF THE TOWER DRIVEN BY SAID MOTRO; A WHEEL MOUNTED OUTWARDLY ON EACH END OF SAID SHAFT; A FLEXIBLE DRIVE ELEMENT TRAINED OVER EACH OF SAID WHEELS IN POSITIVE DRIVING RELATIONSHIP THERETO AND HAVING ONE SET OF THE COMPANION ENDS OF SAID ELEMENTS BE ING FIXED TO THE YOKE; A COUNTERWEIGHT HUNG IN THE OTHER SET OF COMPANION ENDS OF THE DRIVE ELEMENT, AND MEANS FOR DRIVING AND BRAKING SAID MOTOR.
References Cited (Backward Citations)
US3248958A
Cited
US3153387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |