US3076267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handpieces for dental purposes
Assignee: Individual
•
Filing: 1959-01-02
•
Granted: 1963-02-05
•
Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Hoffmeister Erich
- 👤 Rohm Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:49
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/18; A61C1/181; A61C1/02; A61C1/05; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN AN AIR DRIVEN DENTAL DRILL INCLUDING AN ELONGATED HOLLOW HANDPIECE PROVIDED AT ONE END WITH A NOSE PORTION AND HAVING INLET AND OUTLET MEANS AT THE OTHER END FOR MOTIVE AIR, SHAFT MEANS INCLUDING CONCENTRIC ROTOR MEANS AT ONE END THEREOF AND BEING PROVIDED WITH MEANS AT THE OTHER END TO REMOVABLY SECURE A DENTAL BUR THEREIN, CASING MEANS TO ENCLOSE SAID ROTOR, SAID CASING INCLUDING INLET AND OUTLET MEANS FOR MOTIVE AIR AND ALSO INCLUDING AIR DEFLECTING MEANS WITHIN SAID CASING AT ONE END TO DIRECT AIR GENERALLY UNIDIRECTIONALLY LONGITUDINALLY INTO OPERATIVE ENGAGEMENT WITH SAID ROTOR, ANTI-FRICTION BEARING MEANS
Claim 2
Dependent Claim
101 words
IN AN AIR DRIVEN DENTAL DRILL INCLUDING AN ELONGATED HOLLOW HANDPIECE PROVIDED AT ONE END WITH A NOSE PORTION AND HAVING INLET AND OUTLET MEANS AT THE OTHER END FOR MOTIVE AIR, SHAFT MEANS INCLUDING CONCENTRIC ROTOR MEANS AT ONE END THEREOF AND BEING PROVIDED WITH MEANS AT THE OTHER END TO REMOVABLY SECURE A DENTAL BUR THEREIN, CASING MEANS TO ENCLOSE SAID ROTOR, SAID CASING INCLUDING INLET AND OUTLET MEANS FOR MOTIVE AIR AND ALSO INCLUDING AIR DEFLECTING MEANS WITHIN SAID CASING AT ONE END TO DIRECT AIR GENERALLY UNIDIRECTIONALLY LONGITUDINALLY INTO OPERATIVE ENGAGEMENT WITH SAID ROTOR, ANTI-FRICTION BEARING MEANS
References Cited (Backward Citations)
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Cited
US1419140A
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US2180993A
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US2793437A
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US2799934A
Cited
US2945299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |