US3626568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for bonding pins into holes in a hollow turbine blade
Assignee: Avco Corp
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Filing: 1969-04-23
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Granted: 1971-12-14
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Expires: 1989-04-23
Abstract
Abstract THIS DISCLOSURE RELATES TO TURBINE BLADES AND THE METHOD FOR BONDING PINS OR INSERTS INTO THE HOLES WHICH ARE FORMED IN THE TURBINE BLADES DURING CASTING.
Inventors
- 👤 Stanley M Silverstein
- 👤 Victor Strautman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:31
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/04; B22; B22D; B22D31/00; B22D31/002; F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/147; Y; Y10; Y10S; Y10S29/00; Y10S29/035; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339; Y10T29/49718; Y10T29/49732; Y10T29/49742; Y10T29/49826; Y10T29/49863; Y10T29/49888
Claims Analysis
Total Claims: 0
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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) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |