Patent US3135340A successfully refreshed from Google Patents.
US3135340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving tool
Assignee: Individual
•
Filing: 1961-02-13
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Granted: 1964-06-02
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Eli I Robinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:31
CPC Classifications
E; E02; E02D; E02D1/00; E02D1/02; E02D1/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN A DEVICE FOR DRIVING A DRIVE MEMBER A GIVEN DISTANCE IN SOIL FOR THE DETERMINATION OF SOIL CONDITIONS, A HOLLOW ELONGATED CASING MOUNTABLE ON TOP OF THE DRIVE MEMBER, THE CASING HAVING LONGITUDINAL OPPOSITELY DISPOSED GUIDING SLOTS, A DRIVE WEIGHT SLIDABLY MOUNTED ON SAID CASING AND PROVIDED WITH A LIFT MEMBER SLIDABLE IN SAID SLOTS FOR TRAVEL BETWEEN THE TOP OF THE DRIVE MEMBER AND A SELECTED POINT THEREABOVE, DRIVE WEIGHT LIFTING MEANS SLIDABLY MOUNTED WITHIN SAID CASING FOR RELEASABLY ENGAGING SAID LIFT MEMBER OF THE DRIVE WEIGHT WHEN IT IS AT REST AGAINST THE DRIVE MEMBER, RELEASE MEANS ADJUSTABLY MOUNTED WITHIN SAID CASING TO PERMIT THE UPWARD TRAVEL OF THE LIFTING MEANS ABOVE THE RELEASE MEANS A DISTANCE AT LEAST EQUAL TO THE GIVEN DISTANCE THE DRIVE MEMBER IS TO BE DRIVEN IN THE GROUND, SAID RELEASE MEANS BEING ENGAGEABLE WITH THE LIFTING MEANS TO DISENGAGE IT FROM SAID DRIVE WEIGHT WHEN THE DRIVE WEIGHT IS RAISED ON THE CAS-
Claim 2
Dependent Claim
162 words
IN A DEVICE FOR DRIVING A DRIVE MEMBER A GIVEN DISTANCE IN SOIL FOR THE DETERMINATION OF SOIL CONDITIONS, A HOLLOW ELONGATED CASING MOUNTABLE ON TOP OF THE DRIVE MEMBER, THE CASING HAVING LONGITUDINAL OPPOSITELY DISPOSED GUIDING SLOTS, A DRIVE WEIGHT SLIDABLY MOUNTED ON SAID CASING AND PROVIDED WITH A LIFT MEMBER SLIDABLE IN SAID SLOTS FOR TRAVEL BETWEEN THE TOP OF THE DRIVE MEMBER AND A SELECTED POINT THEREABOVE, DRIVE WEIGHT LIFTING MEANS SLIDABLY MOUNTED WITHIN SAID CASING FOR RELEASABLY ENGAGING SAID LIFT MEMBER OF THE DRIVE WEIGHT WHEN IT IS AT REST AGAINST THE DRIVE MEMBER, RELEASE MEANS ADJUSTABLY MOUNTED WITHIN SAID CASING TO PERMIT THE UPWARD TRAVEL OF THE LIFTING MEANS ABOVE THE RELEASE MEANS A DISTANCE AT LEAST EQUAL TO THE GIVEN DISTANCE THE DRIVE MEMBER IS TO BE DRIVEN IN THE GROUND, SAID RELEASE MEANS BEING ENGAGEABLE WITH THE LIFTING MEANS TO DISENGAGE IT FROM SAID DRIVE WEIGHT WHEN THE DRIVE WEIGHT IS RAISED ON THE CAS-
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |