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US3154069A Expired / Lapsed US ⏱️ 0.0 years remaining

Grooved tongue depressor

Assignee: Sorenson Research Co Inc
•
Filing: 1962-07-31
•
Granted: 1964-10-27
•
Expires: 1982-07-31
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Abstract

No abstract record available.

Inventors

  • 👤 Wallace H Ring

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:31
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/24

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 43 words
IN A TONGUE DEPRESSOR, A ONE-PIECE GENERALLY L-SHAPED STRUCTURE COMPRISING A LATERAL SPATULATE TONGUE BLADE HAVING A GROOVE EXTENDING LENGTHWISE OF ITS UNDERSIDE THROUGH THE ANGLE OF THE L-SHAPED STRUCTURE, AND A VERTICAL SHANK HAVING AN OPENING AT THE TERMINATION OF SAID GROOVE.

References Cited (Backward Citations)

US1396933A Cited
US1613373A Cited
CH206542A Cited
US2756742A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-10-27 1968-04-27 1968-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-10-27 1972-04-27 1972-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-10-27 1976-04-27 1976-10-27 $7700.00 Window Closed / Lapsed

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