Patent US3722604A successfully refreshed from Google Patents.
US3722604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Probe
Assignee: Individual
•
Filing: 1971-01-21
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Granted: 1973-03-27
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Expires: 1991-01-21
Abstract
Abstract A device for penetrating the earth to locate buried matter, such as a pipe line, and the like, consisting of a plurality of connecting sections terminating at one end in a handle and at the other end having a spherical member of greater outside diameter than the outside diameter of the respective sections.
Inventors
- 👤 G Lesher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:45
CPC Classifications
E; E21; E21B; E21B11/00; E21B11/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A PROBE, A PLURALITY OF SECTIONS OF ROD, ONE END OF EACH SECTION BEING EXTERNALLY REDUCED AND THREADED,A HANDLE ADAPTED TO BE MOUNTED ON SAID END OF SAID ROD, SAID HANDLE HAVING A SOCKET, AND A REDUCED CHAMBER IN SAID SOCKET IN WHICH THE THREADED END OF SAID ROD IS RECEIVED, THE OTHER END OF SAID ROD HAVING THE INTERNALLY THREADED SOCKET TO RECEIVE THE THREADED END OF ANOTHER SECTION OF ROD, ONE SECTION OF SAID ROD FORMING THE BOTTOM SECTION HAVING A SPHERICAL TIP OF GREATER CIRCUMFERENCE THAN THE CIRCUMFERENCE OF SAID ROD, SAID SECTIONS OF ROD BEING PROVIDED WITH THE PASSAGEWAYS ADJACENT EACH END THEREOF TO RECEIVE A PIN FOR GRIPPING PURPOSES IN MAKING AND BREAKING THE RESPECTIVE JOINTS.
Claim 2
Dependent Claim
121 words
A PROBE, A PLURALITY OF SECTIONS OF ROD, ONE END OF EACH SECTION BEING EXTERNALLY REDUCED AND THREADED,A HANDLE ADAPTED TO BE MOUNTED ON SAID END OF SAID ROD, SAID HANDLE HAVING A SOCKET, AND A REDUCED CHAMBER IN SAID SOCKET IN WHICH THE THREADED END OF SAID ROD IS RECEIVED, THE OTHER END OF SAID ROD HAVING THE INTERNALLY THREADED SOCKET TO RECEIVE THE THREADED END OF ANOTHER SECTION OF ROD, ONE SECTION OF SAID ROD FORMING THE BOTTOM SECTION HAVING A SPHERICAL TIP OF GREATER CIRCUMFERENCE THAN THE CIRCUMFERENCE OF SAID ROD, SAID SECTIONS OF ROD BEING PROVIDED WITH THE PASSAGEWAYS ADJACENT EACH END THEREOF TO RECEIVE A PIN FOR GRIPPING PURPOSES IN MAKING AND BREAKING THE RESPECTIVE JOINTS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |