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US3193094A Expired / Lapsed US ⏱️ 0.0 years remaining

Dental wedges and package thereof

Assignee: Individual
•
Filing: 1961-03-20
•
Granted: 1965-07-06
•
Expires: 1981-03-20
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Abstract

No abstract record available.

Inventors

  • 👤 Robert J Schulstad

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 12:41
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/80; A61C5/88

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 154 words
A DENTAL WEDGE COMPRISING AN ELONGATED BODY OF PLASTIC MATERIAL THAT IS FLEXIBLE AND RESILIENT, SAID BODY HAVING ESSENTIALLY THREE LONGITUDINALLY EXTENDING SIDES AND TAPERING FROM A BUTT END TO A POINTED END, AND AN ELONGATED GROVE ALONG ONE SIDE OF THE BODY PROGRESSING FROM ADJACENT THE POINTED END TO ADJACENT THE BUTT END OF THE BODY, THE OTHER TWO SIDES OF SAID BODY HAVING CONCAVE FACES AND ADJACENT WHERE THEY JOIN WITH SAID ONE SIDE BEING RESILIENTLY DEFORMABLE INTO THE SPACE WITHIN THE GROOVE ON PRESSURE BEING APPLIED THEREAGAINST, THE WEDGE ADJACENT THE BUTT END OF SAID BODY HAVING A PORTION FOR GRIPPING ON TO THE WEDGE WITH AN INSTRUMENT, AND MEANS BEYOND SAID PORTION, PROGRESSING AWAY FROM SAID POINTED ONE OF THE BODY, MEANS DEFINING A GRIP SHOULDER WHEREBY AN INSTRUMENT IS INHIBITED FROM FLIPPING OFF THE WEDGE, THE ENABLE POSITIVE GRIPPING OF THE WEDGE ON ITS REMOVAL FROM BETWEEN TWO TEETH.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-05 1969-01-04 1969-07-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-05 1973-01-04 1973-07-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-05 1977-01-04 1977-07-06 $7700.00 Window Closed / Lapsed

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