Patent US3258245A successfully refreshed from Google Patents.
US3258245A
Expired / Lapsed
US
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Blade stiffening means
Assignee: General Electric Co
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Filing: 1964-07-20
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Granted: 1966-06-28
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Edgar D Alderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:14
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/22; F01D5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A BLADE STIFFENING MEANS FOR TURBOMACHINERY, AIRFOILS ON SAID TURBOMACHINERY, SAID MEANS ADAPTED FOR MID-SPAN GRIPPING OF SAID AIRFOILS AND COMPRISING, A RESILIENT SHEET METAL MEMBER, EDGES ON SAID METAL MEMBER, SPACED CUT-OUT PORTIONS IN ONE EDGE OF SAID MEMBER AND EACH CUT-OUT BEING SHAPED TO CONFORM TO ONLY ONE SURFACE OF AN AIRFOIL, SAID MEMBER HAVING A TAB TO OVERLAP AN EDGE OF SAID AIRFIOL, AND MEANS INCLUDING AN UPSTANDING FLEXIBLE FINGER PORTION WITH A GRIP PIECE THEREON CONNECTING WITH SAID MEMBER AND OVERLAPPING THE OTHER EDGE OF SAID AIRFOIL TO CLAMP AND GRIP SAID AIRFOIL TO SAID MEMBER IN SAID CUT-OUT PORTION.
Claim 2
Dependent Claim
104 words
A BLADE STIFFENING MEANS FOR TURBOMACHINERY, AIRFOILS ON SAID TURBOMACHINERY, SAID MEANS ADAPTED FOR MID-SPAN GRIPPING OF SAID AIRFOILS AND COMPRISING, A RESILIENT SHEET METAL MEMBER, EDGES ON SAID METAL MEMBER, SPACED CUT-OUT PORTIONS IN ONE EDGE OF SAID MEMBER AND EACH CUT-OUT BEING SHAPED TO CONFORM TO ONLY ONE SURFACE OF AN AIRFOIL, SAID MEMBER HAVING A TAB TO OVERLAP AN EDGE OF SAID AIRFIOL, AND MEANS INCLUDING AN UPSTANDING FLEXIBLE FINGER PORTION WITH A GRIP PIECE THEREON CONNECTING WITH SAID MEMBER AND OVERLAPPING THE OTHER EDGE OF SAID AIRFOIL TO CLAMP AND GRIP SAID AIRFOIL TO SAID MEMBER IN SAID CUT-OUT PORTION.
References Cited (Backward Citations)
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Cited
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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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |