Patent US4139527A successfully refreshed from Google Patents.
Patent US3095041A successfully refreshed from Google Patents.
US3095041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for installing concrete well casings
Assignee: Individual
•
Filing: 1959-11-17
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Granted: 1963-06-25
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Expires: 1979-11-17
Abstract
No abstract record available.
Inventors
- 👤 Ross H Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:40
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/10; E21B33/00; E21B33/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A WELL CASING ASSEMBLY COMPRISING A PAIR OF VERTICALLY DISPOSED CABLES IN DIAMETRICALLY OPPOSED POSITIONS IN A WELL, MEANS FOR ANCHORING THE CABLES IN THE BOTTOM OF THE WELL, MEANS FOR ANCHORING UPPER ENDS OF THE CABLES AT THE TOP OF THE WELL AND AT POINTS ALIGNED WITH THE POINTS WHERE THE LOWER ENDS ARE ANCHORED IN THE BOTTOM OF THE WELL, A PLURALITY OF VERTICALLY DISPOSED TUBULAR CYLINDERS HAVING INNER AND OUTER SURFACES AND HAVING CONTINUOUS LONGITUDINALLY DISPOSED AND DIAMETRICALLY OPPOSITE GROOVES IN THE OUTER SURFACES OF THE WELL CASING AND POSITIONED BETWEEN THE CABLES, AND VERTICALLY SPACED AND VERTICALLY ALIGNED EYES MOUNTED IN THE CYLINDERS AND POSITIONED IN THE GROOVES, THE EYES BEING SPACED INWARDLY FROM THE ENDS OF THE CYLINDERS AND THE CABLES BEING DISPOSED THROUGH THE EYES AND POSITIONED IN THE GROOVES WHEREBY THE CABLES ARE NOT SUBJECT TO BEING PINCHED OR BROKEN BY THE CYLINDERS RUBBING AGAINST THE WELL WALL.
Claim 2
Dependent Claim
155 words
A WELL CASING ASSEMBLY COMPRISING A PAIR OF VERTICALLY DISPOSED CABLES IN DIAMETRICALLY OPPOSED POSITIONS IN A WELL, MEANS FOR ANCHORING THE CABLES IN THE BOTTOM OF THE WELL, MEANS FOR ANCHORING UPPER ENDS OF THE CABLES AT THE TOP OF THE WELL AND AT POINTS ALIGNED WITH THE POINTS WHERE THE LOWER ENDS ARE ANCHORED IN THE BOTTOM OF THE WELL, A PLURALITY OF VERTICALLY DISPOSED TUBULAR CYLINDERS HAVING INNER AND OUTER SURFACES AND HAVING CONTINUOUS LONGITUDINALLY DISPOSED AND DIAMETRICALLY OPPOSITE GROOVES IN THE OUTER SURFACES OF THE WELL CASING AND POSITIONED BETWEEN THE CABLES, AND VERTICALLY SPACED AND VERTICALLY ALIGNED EYES MOUNTED IN THE CYLINDERS AND POSITIONED IN THE GROOVES, THE EYES BEING SPACED INWARDLY FROM THE ENDS OF THE CYLINDERS AND THE CABLES BEING DISPOSED THROUGH THE EYES AND POSITIONED IN THE GROOVES WHEREBY THE CABLES ARE NOT SUBJECT TO BEING PINCHED OR BROKEN BY THE CYLINDERS RUBBING AGAINST THE WELL WALL.
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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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |