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US3298103A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid-driven dental handpiece construction

Assignee: Weber Dental Manufacturing Co
•
Filing: 1958-01-03
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Granted: 1967-01-17
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Expires: 1978-01-03
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Abstract

No abstract record available.

Inventors

  • 👤 John A Maurer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:30
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/18; A61C1/181; A61C1/02; A61C1/05; Y; Y10; Y10S; Y10S415/00; Y10S415/904

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 119 words
FLUID-DRIVEN DENTAL HANDPIECE CONSTRUCTION INCLUDING AN ELONGATED HANDLE MEMBR HAVING AN END PORTION, TURBINE CASING MEANS CONNECTED TO SAID HANDLE END PORTION, A TURBINE MOUNTED IN THE TURBINE CASING MEANS, BEARING MEANS AXIALLY ROTATABLY MOUNTING THE TURBINE IN THE TURBINE CASING MEANS, MEANS FOR SUPPLYING FLUID TO THE TURBINE, MEANS FOR EXHAUSTING FLUID FROM THE TURBINE, MEANS OPERABLY CONNECTED TO THE TURBINE AND ROTATABLE THEREWITH FOR HOLDING A DENTAL BURR, THE TURBINE HAVING TURBINE BUCKET MEANS FORMED IN A PORTION OF SAID TURBINE RECEIVING FLUID FROM THE MEANS FOR SUPPLYING FLUID TO ROTATE SAID TURBINE, THE TURBINE BUCKET MEANS FORMING CHAMBERS CONFINING FLUID RECEIVED FROM THE MEANS FOR SUPPLYING FLUID, THE BEARING MEANS BEING POSITIONED AXIALLY ADJACENT SAID TUR-
Claim 2
Dependent Claim 119 words
FLUID-DRIVEN DENTAL HANDPIECE CONSTRUCTION INCLUDING AN ELONGATED HANDLE MEMBR HAVING AN END PORTION, TURBINE CASING MEANS CONNECTED TO SAID HANDLE END PORTION, A TURBINE MOUNTED IN THE TURBINE CASING MEANS, BEARING MEANS AXIALLY ROTATABLY MOUNTING THE TURBINE IN THE TURBINE CASING MEANS, MEANS FOR SUPPLYING FLUID TO THE TURBINE, MEANS FOR EXHAUSTING FLUID FROM THE TURBINE, MEANS OPERABLY CONNECTED TO THE TURBINE AND ROTATABLE THEREWITH FOR HOLDING A DENTAL BURR, THE TURBINE HAVING TURBINE BUCKET MEANS FORMED IN A PORTION OF SAID TURBINE RECEIVING FLUID FROM THE MEANS FOR SUPPLYING FLUID TO ROTATE SAID TURBINE, THE TURBINE BUCKET MEANS FORMING CHAMBERS CONFINING FLUID RECEIVED FROM THE MEANS FOR SUPPLYING FLUID, THE BEARING MEANS BEING POSITIONED AXIALLY ADJACENT SAID TUR-

References Cited (Backward Citations)

US2732671A Cited
US780971A Cited
US2180993A Cited
US2251057A Cited
US2283314A Cited
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US2945299A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-16 1970-07-18 1971-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-16 1974-07-18 1975-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-16 1978-07-18 1979-01-17 $7700.00 Window Closed / Lapsed

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