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US2423246A
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Method of making bearing bushings on molded blades
Assignee: RTX Corp
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Filing: 1944-06-14
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Granted: 1947-07-01
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Expires: 1964-06-14
Abstract
No abstract record available.
Inventors
- 👤 Martin Erle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:38
CPC Classifications
B; B29; B29C; B29C57/00; B64; B64C; B64C11/00; B64C11/16; B64C11/20; B29L; B29L2031/00; B29L2031/08; B29L2031/087; Y; Y10; Y10S; Y10S264/00; Y10S264/66; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2138370A
Cited
US1995451A
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US2041518A
Cited
GB452403A
Cited
GB519399A
Cited
US2318950A
Cited
US2335296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-30 | 1950-12-30 | 1951-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-30 | 1954-12-30 | 1955-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-30 | 1958-12-30 | 1959-07-01 | $7700.00 | Window Closed / Lapsed |