US3132426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine driven dental handpiece
Assignee: Individual
•
Filing: 1956-06-01
•
Granted: 1964-05-12
•
Expires: 1976-06-01
Abstract
No abstract record available.
Inventors
- 👤 Raymond A White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:07
CPC Classifications
F; F01; F01D; F01D15/00; F01D15/06; A; A61; A61C; A61C1/00; A61C1/02; A61C1/05; F05; F05D; F05D2260/00; F05D2260/90; F05D2260/902; Y; Y10; Y10S; Y10S415/00; Y10S415/904; Y10T; Y10T279/00; Y10T279/24; Y10T279/247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A FLUID DRIVEN DENTAL HANDPIECE OF THE CHARACTER DESCRIBED, INCLUDING, A BODY HAVING A HANDLE PORTION, A TOOL DRIVING SHAFT ROTATABLY CARRIED BY THE BODY AT ONE END THEREOF, A FLUID DRIVEN ENGINE CARRIED IN THE BODY AND CONNECTED TO ROTATE THE SHAFT, AND FLUID HANDLING MEANS AT THE OTHER END OF THE BODY INCLUDING, A CAP FREELY ROTATABLE ON THE BODY, A CHAMBER IN THE CAP, A PASSAGE IN THE BODY BETWEEN THE CHAMBER AND THE ENGINE, AND A FLUID HANDLING DUCT IN COMMUNICATION WITH SAID CHAMBER.
Claim 2
Dependent Claim
88 words
A FLUID DRIVEN DENTAL HANDPIECE OF THE CHARACTER DESCRIBED, INCLUDING, A BODY HAVING A HANDLE PORTION, A TOOL DRIVING SHAFT ROTATABLY CARRIED BY THE BODY AT ONE END THEREOF, A FLUID DRIVEN ENGINE CARRIED IN THE BODY AND CONNECTED TO ROTATE THE SHAFT, AND FLUID HANDLING MEANS AT THE OTHER END OF THE BODY INCLUDING, A CAP FREELY ROTATABLE ON THE BODY, A CHAMBER IN THE CAP, A PASSAGE IN THE BODY BETWEEN THE CHAMBER AND THE ENGINE, AND A FLUID HANDLING DUCT IN COMMUNICATION WITH SAID CHAMBER.
References Cited (Backward Citations)
FR378764A
Cited
US1878747A
Cited
US2180993A
Cited
US2435042A
Cited
DE855304C
Cited
US2910005A
Cited
US2886285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |