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US3618212A Expired / Lapsed US ⏱️ 0.0 years remaining

Dental prosthetic construction

Assignee: IPCO Corp
•
Filing: 1969-11-19
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Granted: 1971-11-09
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Expires: 1989-11-19
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Abstract

Abstract APPARATUS AND METHOD FOR SECURING A DENTAL PROSTHETIC STRUCTURE, SUCH AS A FALSE TOOTH, CROWN OR THE LIKE, TO A PATIENT''S TOOTH STUB OR JAWBONE AND COMPRISING THE DRILLING OF A BORE IN THE TOOTH STUB OR JAWBONE, PLACING A PREFORMED HOLLOW SLEEVE HAVING A CLOSED DISTAL END, IN OPEN PROXIMAL END AND AN INTERNALLY BOWED INTERMEDIATE PORTION, INTO SAID BORE, FORMING A SADDEL CONFORMAL WITH THE CONFIGURATION OF SAID TOOTH STUB INCLUDING SAID SLEEVE AS AN INTEGRAL PART THEREOF, POSITIONALLY SECURING SAID SADDLE WITH RESPECT TO SAID TOOTH STUB, PLACING THE LOWER SPRING PORTION OF AN INTERMEDIATE JOINDER MEMBER WITHIN THE HOLLOW SLEEVE, THE SPRING PORTION HAVING A BOWED INTERMEDIATE PART WHICH IS URGED INTO SAID BOWED INTERMEDIATE PORTION OF SAID SLEEVE TO THEREBY POSITIONALLY SECURE SAID INTERMEDIATE JOINDER MEMBER WITH SAID PREPARED TOOTH STUB, THE UPPER PORTION OF SAID JOINDER MEMBER HAVING AN ANCHORING PROTUBERANCE THEREON, FORMING A PROSTHETIC STRUCTURE WITH AN OPENING IN THE BOTTOM THEREOF WITH THE BOTTOM PERIPHERAL CONFIGURATION CONFORMAL WITH THAT OF THE PREPARED TOOTH STUB, AND SECURING SAID PROSTHETIC STRUCTURE TO SAID PREPARED TOOTH STUB BY CEMENTING SAID ANCHORING PROTUBERANCE WITHIN SAID OPENING IN SAID PROSTHETIC STRUCTURE.

Inventors

  • 👤 Bernard Weissman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:12
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/225; A61C13/30

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-11-08 1975-05-10 1975-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-08 1979-05-10 1979-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-08 1983-05-10 1983-11-09 $7700.00 Window Closed / Lapsed

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