Patent JPS5374885A successfully refreshed from Google Patents.
US3245657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine rotor
Assignee: Motors Liquidation Co
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Filing: 1963-09-10
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Granted: 1966-04-12
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Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Eugene R Cooper
- 👤 William F Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:28
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A TURBINE ROTOR COMPRISING, IN COMBINATION, FIRST AND SECOND COAXIAL MUTUALLY ADJACENT WHEELS, MEANS ON THE WHEELS DEFINING MUTUALLY ADJACENT FLANGES HAVING INTERNAL SURFACES CONED AT ABOUT A 45* ANGLE TO THE AXIS OF THE WHEELS, THE TWO SAID SURFACES CONFRONTING EACH OTHER AND DEFINING A GROOVE OPEN TOWARD THE AXIS OF THE WHEELS, THE FLANGES BEING SLIGHTLY SPACED, A FLEXIBLE LIGHTWEIGHT SPLIT SEALING RING OR L-SHAPED CROSS SECTION LOOSELY FITTING IN SAID GROOVE, THE RING HAVING TWO FLEXIBLE CONICAL WEB PORTIONS EACH ADAPTED TO FIT AGAINST ONE OF SAID SURFACES
Claim 2
Dependent Claim
91 words
A TURBINE ROTOR COMPRISING, IN COMBINATION, FIRST AND SECOND COAXIAL MUTUALLY ADJACENT WHEELS, MEANS ON THE WHEELS DEFINING MUTUALLY ADJACENT FLANGES HAVING INTERNAL SURFACES CONED AT ABOUT A 45* ANGLE TO THE AXIS OF THE WHEELS, THE TWO SAID SURFACES CONFRONTING EACH OTHER AND DEFINING A GROOVE OPEN TOWARD THE AXIS OF THE WHEELS, THE FLANGES BEING SLIGHTLY SPACED, A FLEXIBLE LIGHTWEIGHT SPLIT SEALING RING OR L-SHAPED CROSS SECTION LOOSELY FITTING IN SAID GROOVE, THE RING HAVING TWO FLEXIBLE CONICAL WEB PORTIONS EACH ADAPTED TO FIT AGAINST ONE OF SAID SURFACES
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |