US3123338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating capsule for dental handpiece
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:05
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/18; A61C1/181; A61C1/02; A61C1/05; F; F16; F16C; F16C27/00; F16C27/06; F16C27/066; F16C19/00; F16C19/54; F16C19/546; F16C19/547; F16C2316/00; F16C2316/10; F16C2316/13; Y; Y10; Y10S; Y10S415/00; Y10S415/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A DENTAL DRILLING MACHINE, THE COMBINATION INCLUDING A GENERALLY CYLINDRICAL HOUSING, AIR-OPERATED ROTOR MEANS WITHIN SAID HOUSING PROVIDED WITH A SHAFT, ANTIFRICTION BEARING MEANS HAVING INNER AND OUTER CYLINDRICAL RACES TO SUPPORT THE SHAFT, SAID INNER RACES BEING OF SLIGHTLY GREATER RADIAL DIMENSION THAN SAID SHAFT TO PROVIDE CLEARANCE FOR LUBRICATING AIR, MEANS TO SUPPLY AIR UNDER PRESSURE TO OPERATE SAID ROTOR MEANS, AND MEANS TO DISTRIBUTE A PORTION OF SAID AIR TO SAID CLEARANCE SPACE.
Claim 2
Dependent Claim
77 words
IN A DENTAL DRILLING MACHINE, THE COMBINATION INCLUDING A GENERALLY CYLINDRICAL HOUSING, AIR-OPERATED ROTOR MEANS WITHIN SAID HOUSING PROVIDED WITH A SHAFT, ANTIFRICTION BEARING MEANS HAVING INNER AND OUTER CYLINDRICAL RACES TO SUPPORT THE SHAFT, SAID INNER RACES BEING OF SLIGHTLY GREATER RADIAL DIMENSION THAN SAID SHAFT TO PROVIDE CLEARANCE FOR LUBRICATING AIR, MEANS TO SUPPLY AIR UNDER PRESSURE TO OPERATE SAID ROTOR MEANS, AND MEANS TO DISTRIBUTE A PORTION OF SAID AIR TO SAID CLEARANCE SPACE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |