Patent US2771267A successfully refreshed from Google Patents.
US2771267A
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US
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Lacing for compressor blades
Assignee: RTX Corp
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Filing: 1952-05-27
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Granted: 1956-11-20
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Expires: 1972-05-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Leon J Weymouth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:27
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/22; F01D5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1618285A
Cited
DE427963C
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US1542402A
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DE430429C
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FR685110A
Cited
US2412615A
Cited
US2436087A
Cited
GB623525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |