US3090438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple flow conductor suspension apparatus
Assignee: Otis Engineering Corp
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Filing: 1958-10-29
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Granted: 1963-05-21
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Expires: 1978-10-29
Abstract
No abstract record available.
Inventors
- 👤 Raulins George Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:36
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/04; E21B33/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A WELL TOOL SYSTEM INCLUDING: AN OUTERMOST TUBULAR MEMBER HAVING A PLURALITY OF LONGITUDINALLY SPACED SETS OF SELECTOR AND LOCK RECESSES IN WHICH EACH OF SAID SETS OF RECESSES IS OF A DIFFERENT CROSS-SECTIONAL CONFIGURATION FROM EACH OF THE OTHERS OF SAID SETS OF RECESES; A PLURALITY OF WELL TOOLS HAVING DEPENDENT PORTIONS DISPOSED IN TELESCOPED SPACED RELATION RELATIVE TO ONE ANOTHER AND SAID OUTERMOST TUBULAR MEMBER, EACH OF SAID WELL TOOLS HAVING SELECTOR AND LOCK MEANS PROJECTING OUTWARDLY THEREFROM AND OF A CONFIGURATION CONFORMING TO A SELECTED ONE OF SAID SETS OF RECESSES IN SAID OUTERMOST TUBULAR MEMBER, THE SELECTOR MEANS OF EACH OF SAID WELL TOOLS BEING FREELY
Claim 2
Dependent Claim
110 words
A WELL TOOL SYSTEM INCLUDING: AN OUTERMOST TUBULAR MEMBER HAVING A PLURALITY OF LONGITUDINALLY SPACED SETS OF SELECTOR AND LOCK RECESSES IN WHICH EACH OF SAID SETS OF RECESSES IS OF A DIFFERENT CROSS-SECTIONAL CONFIGURATION FROM EACH OF THE OTHERS OF SAID SETS OF RECESES; A PLURALITY OF WELL TOOLS HAVING DEPENDENT PORTIONS DISPOSED IN TELESCOPED SPACED RELATION RELATIVE TO ONE ANOTHER AND SAID OUTERMOST TUBULAR MEMBER, EACH OF SAID WELL TOOLS HAVING SELECTOR AND LOCK MEANS PROJECTING OUTWARDLY THEREFROM AND OF A CONFIGURATION CONFORMING TO A SELECTED ONE OF SAID SETS OF RECESSES IN SAID OUTERMOST TUBULAR MEMBER, THE SELECTOR MEANS OF EACH OF SAID WELL TOOLS BEING FREELY
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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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |