US3263424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine-compressor unit
Assignee: Individual
•
Filing: 1965-03-25
•
Granted: 1966-08-02
•
Expires: 1985-03-25
Abstract
No abstract record available.
Inventors
- 👤 Birmann Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:36
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/24; F01D25/243; F01D25/08; F01D25/14; F01D25/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A TURBO-COMPRESSOR UNIT COMPRISING AN IMPELLER, AN IMPELLER HOUSING SURROUNDING THE IMPELLER AND PROVIDING A PASSAGE RECEIVING ELASTIC FLUID HANDLED BY SAID IMPELLER, A TURBINE ROTOR COAXIAL WITH THE IMPELLER AND CONNECTED THERETO TO DRIVE THE SAME, A TURBINE HOUSING SURROUNDING THE TURBINE ROTOR AND PROVIDING A PASSAGE FOR HOT GASES, DRIVING THE TURBINE ROTOR, AND MEANS CONNECTING SAID IMPELLER AND TURBINE HOUSINGS, SAID MEANS COMPRISING AN ANNULAR ARRAY OF CIRCUMFERENTIALLY SPACED PROJECTIONS ON EACH OF SAID HOUSINGS AND ANNULARLY EXTENDING MEANS EN-
Claim 2
Dependent Claim
83 words
A TURBO-COMPRESSOR UNIT COMPRISING AN IMPELLER, AN IMPELLER HOUSING SURROUNDING THE IMPELLER AND PROVIDING A PASSAGE RECEIVING ELASTIC FLUID HANDLED BY SAID IMPELLER, A TURBINE ROTOR COAXIAL WITH THE IMPELLER AND CONNECTED THERETO TO DRIVE THE SAME, A TURBINE HOUSING SURROUNDING THE TURBINE ROTOR AND PROVIDING A PASSAGE FOR HOT GASES, DRIVING THE TURBINE ROTOR, AND MEANS CONNECTING SAID IMPELLER AND TURBINE HOUSINGS, SAID MEANS COMPRISING AN ANNULAR ARRAY OF CIRCUMFERENTIALLY SPACED PROJECTIONS ON EACH OF SAID HOUSINGS AND ANNULARLY EXTENDING MEANS EN-
References Cited (Backward Citations)
US2553220A
Cited
US2622789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |