US3072193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swab pump for oil field production
Assignee: Individual
•
Filing: 1958-08-29
•
Granted: 1963-01-08
•
Expires: 1978-08-29
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Ziegler
- 👤 Troy A Penny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:06
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/10; E21B43/00; E21B43/12; E21B43/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SWAB PUMP UNIT FOR OIL FIELD PRODUCTION COMPRISING A HORIZONTAL PALLET, A BLOCK SPACED ABOVE THE FORWARD END OF SAID PALLET, MEANS FOR VERTICALLY ADJUSTABLY SUPPORTING SAID BLOCK WITH RESPECT TO SAID PALLET, A YOKE MEANS RESILIENTLY SUPPORTING SAID YOKE ON SAID BLOCK, SAID BLOCK BEING PROVIDED WITH A PAIR OF TUBULAR BUSHINGS EXTENDING IN PARALLEL RELATION THERETHROUGH, SAID YOKE BEING PROVIDED WITH A PAIR OF PARALLEL GUIDE SHAFTS SLIDABLY POSITIONED IN SAID GUIDE BUSHINGS, A SHEAVE JOURNALLED IN SAID YOKE, A WINCH MOUNTED ON SAID PALLET, A CABLE WOUND ON SAID WINCH AND TRAINED OVER SAID SHEAVE, A PUMP SWAB SUPPORTED BY SAID CABLE IN PUMPING POSITION IN A WELL, A MOTOR FOR ROTATING SAID WINCH AND MEANS CONTROLLING SAID MOTOR.
Claim 2
Dependent Claim
123 words
A SWAB PUMP UNIT FOR OIL FIELD PRODUCTION COMPRISING A HORIZONTAL PALLET, A BLOCK SPACED ABOVE THE FORWARD END OF SAID PALLET, MEANS FOR VERTICALLY ADJUSTABLY SUPPORTING SAID BLOCK WITH RESPECT TO SAID PALLET, A YOKE MEANS RESILIENTLY SUPPORTING SAID YOKE ON SAID BLOCK, SAID BLOCK BEING PROVIDED WITH A PAIR OF TUBULAR BUSHINGS EXTENDING IN PARALLEL RELATION THERETHROUGH, SAID YOKE BEING PROVIDED WITH A PAIR OF PARALLEL GUIDE SHAFTS SLIDABLY POSITIONED IN SAID GUIDE BUSHINGS, A SHEAVE JOURNALLED IN SAID YOKE, A WINCH MOUNTED ON SAID PALLET, A CABLE WOUND ON SAID WINCH AND TRAINED OVER SAID SHEAVE, A PUMP SWAB SUPPORTED BY SAID CABLE IN PUMPING POSITION IN A WELL, A MOTOR FOR ROTATING SAID WINCH AND MEANS CONTROLLING SAID MOTOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |