USPatent applicationPatented

Drill bit

Granted 11 Jul 2000

Assignee: Kouvato, Inc.

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Inventors: Thomas Kouvelis · Examiner: Antoine Duval Davis · AU 293 · TC 2900

Application· this page
112252
filed 13 Oct 1999
Publication
Not published
not published
Patent
US D428027
granted 11 Jul 2000

Life of the application

5 dated events
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Description

1 parts
›FIG. 1 is a perspective view of a…

FIG. 1 is a perspective view of a first embodiment of the present new design of a drill bit;

FIG. 2 is a right side elevational view of the first embodiment, the left side and top and bottom views being identical;

FIG. 3 is a front end view thereof;

FIG. 4 is a rear end view thereof;

FIG. 5 is a perspective view of a second embodiment of the present new design of a drill bit;

FIG. 6 is a right side elevational view of the second embodiment, the left side, top and bottom views being identical;

FIG. 7 is a front end view of the drill bit of FIG. 5; and,

FIG. 8 is a rear view thereof.

The broken lines in FIGS. 5 and 6 showing the flute portion of the drill bit form no part of the claimed design for the second embodiment.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims as granted

1 claim

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Classifications

1 codes
USPC · US Patent Classification
D15/139

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File wrapper

Pendency
0.7 y
272 days filing → grant
Office actions
0
on the grant's record
Examiner
Antoine Duval Davis
art unit 293 · TC 2900
Citations: 6 back · 0 forward

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Chain of title

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