US3312449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine wheel
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1966-07-20
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Granted: 1967-04-04
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Expires: 1986-07-20
Abstract
No abstract record available.
Inventors
- 👤 George D Chandley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:28
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/34; C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A TURBINE WHEEL COMPRISING AN INTEGRAL CASTING COMPOSED OF A RELATIVELY MASSIVE HUB SECTION, A WHEEL PORTION EXTENDING ANNULARLY ABOUT SAID HUB SECTION, AND VANES EXTENDING RADIALLY OUTWARDLY FROM SAID WHEEL PORTION, THE GRAIN SIZE IN SAID HUB SECTION BEING RELATIVELY LARGE, THE
Claim 2
Dependent Claim
43 words
A TURBINE WHEEL COMPRISING AN INTEGRAL CASTING COMPOSED OF A RELATIVELY MASSIVE HUB SECTION, A WHEEL PORTION EXTENDING ANNULARLY ABOUT SAID HUB SECTION, AND VANES EXTENDING RADIALLY OUTWARDLY FROM SAID WHEEL PORTION, THE GRAIN SIZE IN SAID HUB SECTION BEING RELATIVELY LARGE, THE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |