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US2814539A
Expired / Lapsed
US
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Bearing retaining means
Assignee: Lockheed Martin Corp
•
Filing: 1954-04-15
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Granted: 1957-11-26
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Expires: 1974-04-15
Abstract
No abstract record available.
Inventors
- 👤 James C Borger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:06
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/077; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US489295A
Cited
GB191024222A
Cited
US1532784A
Cited
FR584769A
Cited
US1903776A
Cited
US2324676A
Cited
US2596771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |