Patent US2313756A successfully refreshed from Google Patents.
US3199836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow turbo-machine blade with abrasive tip
Assignee: General Electric Co
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Filing: 1964-05-04
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Granted: 1965-08-10
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Wayne B Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:27
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
A SHROUDLESS BLADE MEMBER FOR AN AXIAL FLOW TURBOMACHINE HAVING A BLADE TIP PORTION WITH A RADIALLY OUTERMOST ABRASIVE LAYER COMPOSED OF: A LAYER OF A RELATIVELY DUCTILE MATRIX BONDED TO THE
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |