USPatentGranted
S1

Retractable backflush handpiece

Granted 28 May 2024 · no office action yet

Current assignee: Alcon Research · originally Alcon

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Attorney: Attorney · Log in to unlock

Inventors: Christoph Siegenthaler, Simon Nicola Kunz, Niccolo Maschio, Reto Gruebler +1 · Examiner: Natasha Vujcic · AU 2912 · TC 2900

Application
29/790,665
filed 7 Dec 2021
Publication
Not published
not published
Patent· this page
US D1029239
granted 28 May 2024

Life of the patent

2 dated events
⤢ drag to zoomOct 2021Jan 2022Apr 2022Jul 2022Oct 2022Jan 2023Apr 2023Jul 2023Oct 2023Jan 2024Apr 2024Jul 2024Prosecution
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Description

1 parts
›FIG. 1 is an isometric view of a…

FIG. 1 is an isometric view of a retractable backflush handpiece of the present invention.

FIG. 2 is a first side view of the retractable backflush handpiece of the present invention.

FIG. 3 is a top view of the retractable backflush handpiece of the present invention.

FIG. 4 is a second, opposing (as to FIG. 2 ), side view of the retractable backflush handpiece of the present invention.

FIG. 5 is a bottom view of the retractable backflush handpiece of the present invention.

FIG. 6 is a front view of the retractable backflush handpiece of the present invention; and,

FIG. 7 is a rear view of the retractable backflush handpiece of the present invention.

The broken lines in the drawings illustrate portions of the retractable backflush handpiece and form no part of the claimed design.

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

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

1 codes
USPC · US Patent Classification
D24/112

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File wrapper

Pendency
2.5 y
903 days filing → grant
Office actions
0
none on record
Responses
1
no RCE
Examiner
Natasha Vujcic
art unit 2912 · TC 2900
Citations: 40 back · 0 forward

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Chain of title

⤢ drag to zoom20222024202620282030203220342036203820402042Owner 6
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Term & fees

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Validity challenges

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Citations

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