Patent US3210848A successfully refreshed from Google Patents.
US3210848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handpiece of the air impulse turbine type
Assignee: Unisys Corp
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Filing: 1962-10-11
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Granted: 1965-10-12
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Expires: 1982-10-11
Abstract
No abstract record available.
Inventors
- 👤 Pio J Bizzigotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:35
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/02; A61C1/05; Y; Y10; Y10S; Y10S415/00; Y10S415/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A HANDPIECE OF THE AIR IMPULSE TURBINE TYPE INCLUDING A HOUSING HAVING A FITTING PART FOR ATTACHMENT WITH A SOURCE OF AIR SUPPLY THROUGH TWO INLET AIR LINES AND AN OUTLET AIR LINE; A TURBINE HAVING A ROTOR WITH A CYLINDRICAL PORTION HAVING A PERIPHERAL BUCKETS AND RESPECTIVE END JOURNAL PORTIONS, A COMPARTMENTED BLOCK IN THE HOUSING PROVIDING A PAIR OF AIR BEARINGS WITH THE RESPECTIVE END JOURNAL PORTIONS HAVING OPPOSED COMPONENTS OF AXIAL THRUST ALONG THE LONGITUDINAL AXIS OF THE ROTOR, AND A NOZZLE IN THE HOUSING ARRANGED TANGENTIALLY WITH RESPECT TO THE PERIPHERY OF THE CYLINDRICAL PORTION OF THE ROTOR; A CHANNEL IN THE HOUSING FOR ONE OF THE INLET LINES BETWEEN THE FITTING PART AND THE AIR BEARINGS, A CHANNEL IN THE HOUSING FOR THE OTHER OF THE INLET LINES BETWEEN THE FITTING PART AND THE NOZZLE, A MANUALLY OPERABLE VALVE IN THE HOUSING IN THE CHANNEL TO THE NOZZLE UPSTREAM OF THE NOZZLE, AND A CHANNEL IN THE HOUSING FOR THE OUTLET AIR LINE BETWEEN THE AIR BEARINGS AND THE FITTING PART.
Claim 2
Dependent Claim
176 words
A HANDPIECE OF THE AIR IMPULSE TURBINE TYPE INCLUDING A HOUSING HAVING A FITTING PART FOR ATTACHMENT WITH A SOURCE OF AIR SUPPLY THROUGH TWO INLET AIR LINES AND AN OUTLET AIR LINE; A TURBINE HAVING A ROTOR WITH A CYLINDRICAL PORTION HAVING A PERIPHERAL BUCKETS AND RESPECTIVE END JOURNAL PORTIONS, A COMPARTMENTED BLOCK IN THE HOUSING PROVIDING A PAIR OF AIR BEARINGS WITH THE RESPECTIVE END JOURNAL PORTIONS HAVING OPPOSED COMPONENTS OF AXIAL THRUST ALONG THE LONGITUDINAL AXIS OF THE ROTOR, AND A NOZZLE IN THE HOUSING ARRANGED TANGENTIALLY WITH RESPECT TO THE PERIPHERY OF THE CYLINDRICAL PORTION OF THE ROTOR; A CHANNEL IN THE HOUSING FOR ONE OF THE INLET LINES BETWEEN THE FITTING PART AND THE AIR BEARINGS, A CHANNEL IN THE HOUSING FOR THE OTHER OF THE INLET LINES BETWEEN THE FITTING PART AND THE NOZZLE, A MANUALLY OPERABLE VALVE IN THE HOUSING IN THE CHANNEL TO THE NOZZLE UPSTREAM OF THE NOZZLE, AND A CHANNEL IN THE HOUSING FOR THE OUTLET AIR LINE BETWEEN THE AIR BEARINGS AND THE FITTING PART.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |