US3105548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubing nipple and selector tool
Assignee: Camco Inc
•
Filing: 1960-03-24
•
Granted: 1963-10-01
•
Expires: 1980-03-24
Abstract
No abstract record available.
Inventors
- 👤 Warren G Ownby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:07
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/09; E21B47/092; E21B23/00; E21B23/02; E21B23/04; E21B23/0414
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
A STATION SELECTOR WORK PERFORMING WELL TOOL INCLUDING A GROUP OF LONGITUDINALLY SPACED APART SIGNAL PICK-UP ELEMENTS, ACTUATING MEANS CONNECTABLE SELECTIVELY WITH THE ELEMENTS AND RENDERING SELECTED SETS OF THE ELEMENTS SIGNAL SENSITIVE IN ANY ONE OF VARIOUS COMBINATIONS OF DIFFERENTLY SPACED APART ELEMENTS, MEANS RESPONSIVE TO SIMULTANEOUS SENSING OF SIGNALS BY ALL ELEMENTS OF ANY
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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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |