Patent US4643505A successfully refreshed from Google Patents.
Patent US3261412A successfully refreshed from Google Patents.
US3261412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Point and driving assembly for making earth holes
Assignee: Individual
•
Filing: 1963-09-05
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Granted: 1966-07-19
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Expires: 1983-09-05
Abstract
No abstract record available.
Inventors
- 👤 Lob Adalbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:47
CPC Classifications
E; E03; E03B; E03B3/00; E03B3/06; E03B3/08; E03B3/12; Y; Y02; Y02A; Y02A20/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PERCUSSIVELY DRIVABLE WELL-POINT ASSEMBLY COMPRISING A CONICALLY POINTED PENETRATING MEMBER HAVING A GENERALLY VERTICALLY AXIS AND FORMED WITH AN ABUTMENT SURFACE TRANSVERSELY TO SAID AXIS AND AXIALLY SPACED FROM THE TIP OF SAID MEMBER, SAID MEMBER BEING PROVIDED WITH AN AXIALLY UPWARDLY EXTENDING ANNULAR FLANGE SURROUNDING SAID ABUTMENT SURFACE AND FORMING A SOCKET; AN AXIALLY EXTENDING ELONGATED MAIN TUBULAR MEMBER RESTING AGAINST SAID SURFACE AND REMOVABLY RECEIVABLE IN SAID SOCKET AND HAVING AN OUTER DIAMETER LESS THAN THE OUTER DIAMETER OF SAID FLANGE WHILE BEING AXIALLY WITHDRAWABLE THEREFROM BELOW GROUND LEVEL; AND AN ELONGATED DRIVING RAM REMOVABLY EXTENDING THROUGH THE INTERIOR OF SAID TUBULAR MEMBER AND ABUTTING SAID SURFACE WHILE PROTRUDING UPWARDLY BEYOND SAID TUBULAR MEMBER FOR ENGAGEMENT BY A DRIVER TO PERCUSSIVELY FORCE SAID POINTED MEMBER INTO THE GROUND.
Claim 2
Dependent Claim
131 words
A PERCUSSIVELY DRIVABLE WELL-POINT ASSEMBLY COMPRISING A CONICALLY POINTED PENETRATING MEMBER HAVING A GENERALLY VERTICALLY AXIS AND FORMED WITH AN ABUTMENT SURFACE TRANSVERSELY TO SAID AXIS AND AXIALLY SPACED FROM THE TIP OF SAID MEMBER, SAID MEMBER BEING PROVIDED WITH AN AXIALLY UPWARDLY EXTENDING ANNULAR FLANGE SURROUNDING SAID ABUTMENT SURFACE AND FORMING A SOCKET; AN AXIALLY EXTENDING ELONGATED MAIN TUBULAR MEMBER RESTING AGAINST SAID SURFACE AND REMOVABLY RECEIVABLE IN SAID SOCKET AND HAVING AN OUTER DIAMETER LESS THAN THE OUTER DIAMETER OF SAID FLANGE WHILE BEING AXIALLY WITHDRAWABLE THEREFROM BELOW GROUND LEVEL; AND AN ELONGATED DRIVING RAM REMOVABLY EXTENDING THROUGH THE INTERIOR OF SAID TUBULAR MEMBER AND ABUTTING SAID SURFACE WHILE PROTRUDING UPWARDLY BEYOND SAID TUBULAR MEMBER FOR ENGAGEMENT BY A DRIVER TO PERCUSSIVELY FORCE SAID POINTED MEMBER INTO THE GROUND.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |