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US2756484A
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Method of making locked-in bearing assembly
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1950-09-30
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Granted: 1956-07-31
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Expires: 1970-09-30
Abstract
No abstract record available.
Inventors
- 👤 James H Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:59
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/38; B21D53/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49826; Y10T29/49861; Y10T29/49945; Y10T29/49947; Y10T29/49948; Y10T29/4995; Y10T29/49954
Claims Analysis
Total Claims: 0
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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) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |