US2492041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission lubricant retainer
Assignee: Bendix Aviation Corp
•
Filing: 1947-07-25
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Granted: 1949-12-20
•
Expires: 1967-07-25
Abstract
No abstract record available.
Inventors
- 👤 Heise Herman Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:14
CPC Classifications
F; F16; F16N; F16N31/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1647839A
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US1925943A
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US2190254A
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US2258008A
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US2258160A
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US2329770A
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US2368133A
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US2408336A
Cited
US2439521A
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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) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |