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US3095041A Expired / Lapsed US ⏱️ 0.0 years remaining

Means for installing concrete well casings

Assignee: Individual
•
Filing: 1959-11-17
•
Granted: 1963-06-25
•
Expires: 1979-11-17
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Abstract

No abstract record available.

Inventors

  • 👤 Ross H Rasmussen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 06:26
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.

References Cited (Backward Citations)

US762384A Cited
US842595A Cited
US2003393A Cited
US1978273A Cited
US2082773A Cited
DE817724C Cited
US2757743A Cited

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

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