US3098451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary machine
Assignee: Individual
•
Filing: 1960-11-04
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Granted: 1963-07-23
•
Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Scognamillo Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:54
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0818; F01C21/0827; F01C21/0836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A ROTARY MACHINE COMPRISING A CASING HAVING A CYLINDRICAL BODY PORTION AND END WALLS COOPERATIVELY FORMING A CYLINDRICAL PUMP CHAMBER, A SHAFT JOURNALED ECCENTRICALLY IN SAID CYLINDRICAL PUMP CHAMBER, A ROTOR CARRIED BY SHAFT, IN ECCENTRIC RELATION TO SAID CYLINDRICAL PUMP CHAMBER, THE CYLINDRICAL BODY PORTION OF THE CASING HAVING INLET AND OUTLET PORTS CAT OPPOSITE SIDES OF SAID ROTOR HAVING RADIAL SLOTS THEREIN, BLADES SLIDINGLY CONFINED IN SAID SLOTS AND HAVING THE ENDS OF THE SAME FLUSH WITH THE OPPOSITE ENDS OF THE ROTOR, SAID ROTOR HAVING CONCENTRIC ANNULAR RECESSES IN THE ENDS OF THE SAME ABOUT THE SHAFT INTERCEPTED BY SAID SLOTS AND WHEREBY TH E INNER EDGES OF THE BLADES AT OPPOSITE ENDS ARE EXPOSED IN SAID ANNULAR RECESSES AND BLADE CONTROLLING RINGS LOOSELY SEATED IN SAID ANNULAR RECESSES IN THE ENDS OF THE ROTOR, SAID RINGS HAVING AN INTERNAL DIAMETER GREATER THAN AND
Claim 2
Dependent Claim
147 words
A ROTARY MACHINE COMPRISING A CASING HAVING A CYLINDRICAL BODY PORTION AND END WALLS COOPERATIVELY FORMING A CYLINDRICAL PUMP CHAMBER, A SHAFT JOURNALED ECCENTRICALLY IN SAID CYLINDRICAL PUMP CHAMBER, A ROTOR CARRIED BY SHAFT, IN ECCENTRIC RELATION TO SAID CYLINDRICAL PUMP CHAMBER, THE CYLINDRICAL BODY PORTION OF THE CASING HAVING INLET AND OUTLET PORTS CAT OPPOSITE SIDES OF SAID ROTOR HAVING RADIAL SLOTS THEREIN, BLADES SLIDINGLY CONFINED IN SAID SLOTS AND HAVING THE ENDS OF THE SAME FLUSH WITH THE OPPOSITE ENDS OF THE ROTOR, SAID ROTOR HAVING CONCENTRIC ANNULAR RECESSES IN THE ENDS OF THE SAME ABOUT THE SHAFT INTERCEPTED BY SAID SLOTS AND WHEREBY TH E INNER EDGES OF THE BLADES AT OPPOSITE ENDS ARE EXPOSED IN SAID ANNULAR RECESSES AND BLADE CONTROLLING RINGS LOOSELY SEATED IN SAID ANNULAR RECESSES IN THE ENDS OF THE ROTOR, SAID RINGS HAVING AN INTERNAL DIAMETER GREATER THAN AND
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |