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US3172708A Expired / Lapsed US ⏱️ 0.0 years remaining

Hammer with handle fastening means

Assignee: Estwing Manufacturing Co Inc
•
Filing: 1963-10-21
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Granted: 1965-03-09
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Expires: 1983-10-21
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Abstract

No abstract record available.

Inventors

  • 👤 Aldor S E Reuterfors

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:28
CPC Classifications
B; B25; B25G; B25G3/00; B25G3/02; B25G3/12; B25G3/28; Y; Y10; Y10T; Y10T403/00; Y10T403/49; Y10T403/4958

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 215 words
A PERCUSSIVE TOOL COMPRISING A METALLIC HEAD HAVING A HANDLE RECEIVING EYE EXTENDING THERETHROUGH AND A WOODEN HANDLE PORTION POSITIONED THEREIN, SAID EYE HAVING AN ENTRANCE END AND A LOCKING END, SAID EYE HAVING A SUBSTANTIALLY RECTANGULAR CROSS SECTIONAL AREA IN ALL PARALLEL PLANES TRANSVERSELY PERPENDICULAR TO THE AXIS OF SAID HANDLE PORTION BETWEEN SAID EYE ENDS, THE MINIMUM CROSS SECTIONAL AREA OF THE EYE BEING AT AN INTERMEDIATE ZONE BETWEEN SAID EYE ENDS, ALL FOUR WALLS OF THE EYE HAVING AN EXPANDING TAPER FROM SAID INTERMEDIATE ZONE TOWARD EACH OF SAID TWO ENDS, SAID HANDLE PORTION BEING TAPERED IN A FIRST PART OF PROVIDE A SNUG DRIVE FIT WITH THE TAPERED EYE WALLS EXTENDING FROM SAID ENTRANCE END TO SAID ZONE, A SECOND PART OF SAID HANDLE PORTION HAVING A SUBSTANTIALLY EQUAL TRANSVERSE RECTANGULAR CROSS SECTION FROM ITS POSITION AT SAID ZONE FORWARDLY TO ITS FRONT TERMINUS, SAID FRONT TERMINUS BEING DISPOSED ADJACENT SAID LOCKING END, FOUR SEPARATE WOODEN TAPERED WEDGES SNUGLY FITTED BETWEEN THE FOUR WALLS OF THE EYE FORWARDLY OF SAID ZONE AND THE ADJACENT SURFACE OF SAID SECOND HANDLE PORTION, ALL SURFACES OF SAID HANDLE PORTION AND SAID EYE AND ALL SURFACES OF SAID WEDGES BEING COATED WITH A PLASTIC RESIN ADHESIVE, AND A MOISTURE RESISTANT SEAL CLOSING SAID LOCKING EYE.
Claim 2
Dependent Claim 215 words
A PERCUSSIVE TOOL COMPRISING A METALLIC HEAD HAVING A HANDLE RECEIVING EYE EXTENDING THERETHROUGH AND A WOODEN HANDLE PORTION POSITIONED THEREIN, SAID EYE HAVING AN ENTRANCE END AND A LOCKING END, SAID EYE HAVING A SUBSTANTIALLY RECTANGULAR CROSS SECTIONAL AREA IN ALL PARALLEL PLANES TRANSVERSELY PERPENDICULAR TO THE AXIS OF SAID HANDLE PORTION BETWEEN SAID EYE ENDS, THE MINIMUM CROSS SECTIONAL AREA OF THE EYE BEING AT AN INTERMEDIATE ZONE BETWEEN SAID EYE ENDS, ALL FOUR WALLS OF THE EYE HAVING AN EXPANDING TAPER FROM SAID INTERMEDIATE ZONE TOWARD EACH OF SAID TWO ENDS, SAID HANDLE PORTION BEING TAPERED IN A FIRST PART OF PROVIDE A SNUG DRIVE FIT WITH THE TAPERED EYE WALLS EXTENDING FROM SAID ENTRANCE END TO SAID ZONE, A SECOND PART OF SAID HANDLE PORTION HAVING A SUBSTANTIALLY EQUAL TRANSVERSE RECTANGULAR CROSS SECTION FROM ITS POSITION AT SAID ZONE FORWARDLY TO ITS FRONT TERMINUS, SAID FRONT TERMINUS BEING DISPOSED ADJACENT SAID LOCKING END, FOUR SEPARATE WOODEN TAPERED WEDGES SNUGLY FITTED BETWEEN THE FOUR WALLS OF THE EYE FORWARDLY OF SAID ZONE AND THE ADJACENT SURFACE OF SAID SECOND HANDLE PORTION, ALL SURFACES OF SAID HANDLE PORTION AND SAID EYE AND ALL SURFACES OF SAID WEDGES BEING COATED WITH A PLASTIC RESIN ADHESIVE, AND A MOISTURE RESISTANT SEAL CLOSING SAID LOCKING EYE.

References Cited (Backward Citations)

US934008A Cited
US2850331A Cited
US3128131A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-08 1968-09-07 1969-03-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-08 1972-09-07 1973-03-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-08 1976-09-07 1977-03-09 $7700.00 Window Closed / Lapsed

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