Patent US3100542A successfully refreshed from Google Patents.
US3100542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet shot hole device
Assignee: Jersey Production Research Co
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Filing: 1959-05-01
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Granted: 1963-08-13
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Expires: 1979-05-01
Abstract
No abstract record available.
Inventors
- 👤 William J Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:10
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN APPARATUS FOR USE IN DRILLING OR CLEANING SEISMIC SHOT HOLES IN THE EARTH''S SURFACE, WHICH COMPRISES: A FLEXIBLE CONDUIT; CONCENTRIC CYLINDERS WITH AN ANNULAR SPACE FORMED BETWEEN THE INNER WALL OF THE OUTER CYLINDER AND THE OUTER WALL OF THE INNER CYLINDER; CAP MEANS CLOSING THE UPPER ENDS OF SAID INNER CYLINDER AND AT LEAST PARTIALLY CLOSING THE UPPER END OF THE ANNULAR SPACE FORMED BETWEEN THE INNER WALL OF THE OUTER CYLINDER AND THE OUTER WALL OF THE INNER CYLINDER AND ATTACHABLE TO SAID CONDUIT, SAID CAP MEANS HAVING A PASSAGE MEANS ESTABLISHING FLUID COMMUNICATION BETWEEN THE INTERIOR OF SAID CONDUIT AND SAID ANNULAR SPACE; AN ANNULAR PLATE ENCLOSING THE LOWER END OF SAID ANNULAR SPACE; DOWNWARDLY PROJECTING JET NOZZLES ON THE BOTTOM SIDE OF SAID ANNULAR PLATE, SAID NOZZLES BEING IN FLUID COMMUNICATION WITH SAID ANNULAR SPACE.
Claim 2
Independent Claim
140 words
AN APPARATUS FOR USE IN DRILLING OR CLEANING SEISMIC SHOT HOLES IN THE EARTH''S SURFACE, WHICH COMPRISES: A FLEXIBLE CONDUIT; CONCENTRIC CYLINDERS WITH AN ANNULAR SPACE FORMED BETWEEN THE INNER WALL OF THE OUTER CYLINDER AND THE OUTER WALL OF THE INNER CYLINDER; CAP MEANS CLOSING THE UPPER ENDS OF SAID INNER CYLINDER AND AT LEAST PARTIALLY CLOSING THE UPPER END OF THE ANNULAR SPACE FORMED BETWEEN THE INNER WALL OF THE OUTER CYLINDER AND THE OUTER WALL OF THE INNER CYLINDER AND ATTACHABLE TO SAID CONDUIT, SAID CAP MEANS HAVING A PASSAGE MEANS ESTABLISHING FLUID COMMUNICATION BETWEEN THE INTERIOR OF SAID CONDUIT AND SAID ANNULAR SPACE; AN ANNULAR PLATE ENCLOSING THE LOWER END OF SAID ANNULAR SPACE; DOWNWARDLY PROJECTING JET NOZZLES ON THE BOTTOM SIDE OF SAID ANNULAR PLATE, SAID NOZZLES BEING IN FLUID COMMUNICATION WITH SAID ANNULAR SPACE.
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |