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US3261412A Expired / Lapsed US ⏱️ 0.0 years remaining

Point and driving assembly for making earth holes

Assignee: Individual
•
Filing: 1963-09-05
•
Granted: 1966-07-19
•
Expires: 1983-09-05
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Abstract

No abstract record available.

Inventors

  • 👤 Lob Adalbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:36
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.

References Cited (Backward Citations)

US49362A Cited
US102572A Cited
US176528A Cited
US202796A Cited
US409446A Cited
DE370838C Cited
DE453210C Cited
US2578996A Cited

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

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