Patent GB483496A successfully refreshed from Google Patents.
US3298103A
Expired / Lapsed
US
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Fluid-driven dental handpiece construction
Assignee: Weber Dental Manufacturing Co
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Filing: 1958-01-03
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Granted: 1967-01-17
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Expires: 1978-01-03
Abstract
No abstract record available.
Inventors
- 👤 John A Maurer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:43
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-
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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) | 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 |