US3175392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil testing apparatus
Assignee: Individual
•
Filing: 1961-10-16
•
Granted: 1965-03-30
•
Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Earl H Tharalson
- 👤 Mikolyczyk Edward Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:16
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/02; E21B49/06; E02; E02D; E02D1/00; E02D1/02; E02D1/022; E02D1/025; G; G01; G01N; G01N33/00; G01N33/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A SOIL TESTING APPARATUS INSERTABLE INTO A HOLE IN THE SOIL TO BE TESTED, INCLUDING: A FRAME INSERTABLE INTO THE HOLE AND HAVING ON ONE SIDE THEREOF A MAIN SHOE SUBSTANTIALLY COEXTENSIVE WITH SAID FRAME IN THE DIRECTION OF THE HOLE AND ENGAGEABLE WITH ONE SIDE OF THE HOLE; A LATERALLY EXTENSIBLE AND RETRACTABLE AUXILIARY SHOE WHICH IS CARRIED BY SAID FRAME AND WHICH IS SMALL AS COMPARED TO SAID MAIN SHOE AND WHICH IS LATERALLY EXTENSIBLE INTO ENGAGEMENT WITH THE OPPOSITE SIDE OF THE HOLE FROM SAID MAIN SHOE TO LOCK SAID FRAME IN PLACE IN THE HOLE; MEANS CARRIED BY SAID FRAME AND CONNECTED TO SAID AUXILIARY SHOE FOR LATERALLY EXTENDING AND RETRACTING SAID AUXILIARY SHOE; MEANS, INCLUDING LATERALLY EXTENSIBLE AND RETRACTABLE TESTING MEANS CARRIED BY SAID FRAME AND LATERALLY EXTENSIBLE INTO ENGAGEMENT WITH THE OPPOSITE SIDE OF THE HOLE FROM SAID MAIN SHOE, FOR TESTING IN SITU THE SOIL FORMING SAID OPPOSITE SIDE OF THE HOLE; AND MEANS CARRIED BY SAID FRAME AND CONNECTED TO SAID TESTING MEANS FOR LATERALLY EXTENDING AND RETRACTING SAID TESTING MEANS.
Claim 2
Dependent Claim
179 words
A SOIL TESTING APPARATUS INSERTABLE INTO A HOLE IN THE SOIL TO BE TESTED, INCLUDING: A FRAME INSERTABLE INTO THE HOLE AND HAVING ON ONE SIDE THEREOF A MAIN SHOE SUBSTANTIALLY COEXTENSIVE WITH SAID FRAME IN THE DIRECTION OF THE HOLE AND ENGAGEABLE WITH ONE SIDE OF THE HOLE; A LATERALLY EXTENSIBLE AND RETRACTABLE AUXILIARY SHOE WHICH IS CARRIED BY SAID FRAME AND WHICH IS SMALL AS COMPARED TO SAID MAIN SHOE AND WHICH IS LATERALLY EXTENSIBLE INTO ENGAGEMENT WITH THE OPPOSITE SIDE OF THE HOLE FROM SAID MAIN SHOE TO LOCK SAID FRAME IN PLACE IN THE HOLE; MEANS CARRIED BY SAID FRAME AND CONNECTED TO SAID AUXILIARY SHOE FOR LATERALLY EXTENDING AND RETRACTING SAID AUXILIARY SHOE; MEANS, INCLUDING LATERALLY EXTENSIBLE AND RETRACTABLE TESTING MEANS CARRIED BY SAID FRAME AND LATERALLY EXTENSIBLE INTO ENGAGEMENT WITH THE OPPOSITE SIDE OF THE HOLE FROM SAID MAIN SHOE, FOR TESTING IN SITU THE SOIL FORMING SAID OPPOSITE SIDE OF THE HOLE; AND MEANS CARRIED BY SAID FRAME AND CONNECTED TO SAID TESTING MEANS FOR LATERALLY EXTENDING AND RETRACTING SAID TESTING MEANS.
References Cited (Backward Citations)
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |