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US3286378A Expired / Lapsed US ⏱️ 0.0 years remaining

Webbed prong-type tooth with resilient retaining means

Assignee: Individual
•
Filing: 1963-12-02
•
Granted: 1966-11-22
•
Expires: 1983-12-02
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Abstract

No abstract record available.

Inventors

  • 👤 John G Benetti

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 17:05
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2833; E02F9/2841

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 93 words
A TOOTH FOR DIGGING EQUIPMENT COMPRISING A DISTAL PORTION AND A PROXIMAL PORTION, SAID DISTAL PORTION HAVING CONVERGING TOP AND BOTTOM DISTAL SURFACES TERMINATING IN A CUTTING EDGE, SAID PROXIMAL PORTION HAVING LONGITUDINALLY EXTENDING TOP AND BOTTOM PROXIMAL SURFACES AND FORMED WITH A HOLE FROM TOP TO BOTTOM OF SAID PROXIMAL PORTION AND LONGITUDINAL GROOVES ON SAID TOP AND BOTTOM PROXIMAL SURFACES EXTENDING FORWARDLY OF SAID HOLE, AND A RESILIENT INSERT POSITIONED IN SAID HOLE AND ADAPTED PARTIALLY TO FIT INTO SAID GROOVE, SAID INSERT BEING THICKER THAN THE DEPTH OF SAID GROOVES.

References Cited (Backward Citations)

US895370A Cited
US1485434A Cited
US2674816A Cited
US2968880A Cited
US3057091A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-21 1970-05-23 1970-11-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-21 1974-05-23 1974-11-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-21 1978-05-23 1978-11-22 $7700.00 Window Closed / Lapsed

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