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US5358404A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for compressing and adapting filling material

Assignee: Individual
•
Filing: 1993-04-12
•
Granted: 1994-10-25
•
Expires: 2013-04-12
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Abstract

Abstract An apparatus for compressing and adapting filling material introduced into a dental cavity with an elastic punch which is fixed in or on a holder.

Inventors

  • 👤 Dieter Schumacher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 23:11
CPC Classifications
A; A61; A61C; A61C3/00; A61C3/08; A61C5/00; A61C5/50; A61C19/00; A61C19/003

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 72 words
An apparatus for compressing a light-hardening filling in a dental activity comprising, an elastomeric transparent punch having a bottom portion attached to a top adaptor portion, the bottom portion having a bottom surface, and a rigid transparent holder adapted to be held by a dentist, the rigid holder having an aperture formed at an end portion for receiving the adapter portion of the punch, the adaptor portion frictionally mounted in the aperture.
Claim 2
Independent Claim 72 words
An apparatus for compressing a light-hardening filling in a dental activity comprising, an elastomeric transparent punch having a bottom portion attached to a top adaptor portion, the bottom portion having a bottom surface, and a rigid transparent holder adapted to be held by a dentist, the rigid holder having an aperture formed at an end portion for receiving the adapter portion of the punch, the adaptor portion frictionally mounted in the aperture.
Claim 3
Dependent Claim 19 words
An apparatus according to claim 1 wherein the bottom surface of the bottom portion of the punch is planar.
Claim 4
Dependent Claim 19 words
An apparatus according to claim 1 wherein the bottom surface of the bottom portion of the punch is concave.
Claim 5
Dependent Claim 21 words
An apparatus according to claim 1 wherein the bottom surface of the bottom portion of the punch has a convex protuberance.
Claim 6
Dependent Claim 12 words
An apparatus according to claim 4 wherein the protuberance is frustum shaped.
Claim 7
Dependent Claim 20 words
An apparatus according to claim 5 wherein the frustum shaped protuberance has a terminal extension on at least one side.
Claim 8
Dependent Claim 15 words
An apparatus according to claim 5 wherein the frustum shaped protuberance has two terminal extensions.
Claim 9
Dependent Claim 18 words
An apparatus according to claim 1 wherein the punch has a Shore hardness of between 15 and 50.

References Cited (Backward Citations)

US246981A Cited
US532720A Cited
US532721A Cited
US4586901A Cited
US5030093A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-10-24 1998-04-25 1998-10-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-10-24 2002-04-25 2002-10-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-10-24 2006-04-25 2006-10-25 $7700.00 Window Closed / Lapsed

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