US3126058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position selector device for wells
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:24
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A POSITION-SELECTOR DEVICE OF A SIZE ADAPTED TO PASS THROUGH A MAGNETIC PIPE STRING IN A WELL TO A SELECTED RECESSED PORTION THEREOF, SAID SELECTOR DEVICE COMPRISING AN ELONGATED BODY MEMBER, RADIALLY-EXTENSIBLE LATCHING MEANS CARRIED WITHIN SAID BODY MEMBER, A COUNTER MECHANISM OPERATIVELY CONNECTED TO SAID LATCHING MEANS FOR ACTUATING SAID LATCHING MEANS ON ARRIVAL AT A PRESELECTED POSITION IN A PIPE STRING, AND MAGNETIC-TYPE COUNTERACTUATING MEANS CARRIED BY SAID BODY MEMBER AND OPERATIVELY CONNECTED TO SAID COUNTER MECHANISM FOR STEPWISE ACTUATION OF SAID COUNTER MECHANISM, SAID COUNTER-ACTUATING MEANS BEING RESPONSIVE TO MOVEMENT PAST NON-MAGNETIC MARKER MEANS SPACED ALONG THE PIPE STRING THROUGH WHICH SAID SELECTOR DEVICE MOVES.
Claim 2
Dependent Claim
108 words
A POSITION-SELECTOR DEVICE OF A SIZE ADAPTED TO PASS THROUGH A MAGNETIC PIPE STRING IN A WELL TO A SELECTED RECESSED PORTION THEREOF, SAID SELECTOR DEVICE COMPRISING AN ELONGATED BODY MEMBER, RADIALLY-EXTENSIBLE LATCHING MEANS CARRIED WITHIN SAID BODY MEMBER, A COUNTER MECHANISM OPERATIVELY CONNECTED TO SAID LATCHING MEANS FOR ACTUATING SAID LATCHING MEANS ON ARRIVAL AT A PRESELECTED POSITION IN A PIPE STRING, AND MAGNETIC-TYPE COUNTERACTUATING MEANS CARRIED BY SAID BODY MEMBER AND OPERATIVELY CONNECTED TO SAID COUNTER MECHANISM FOR STEPWISE ACTUATION OF SAID COUNTER MECHANISM, SAID COUNTER-ACTUATING MEANS BEING RESPONSIVE TO MOVEMENT PAST NON-MAGNETIC MARKER MEANS SPACED ALONG THE PIPE STRING THROUGH WHICH SAID SELECTOR DEVICE MOVES.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |