Patent US2225758A successfully refreshed from Google Patents.
US2225758A
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Assignee: AETNA BALL BEARING Manufacturing Co
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Filing: 1938-12-05
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Granted: 1940-12-24
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Expires: 1958-12-05
Abstract
No abstract record available.
Inventors
- 👤 Louis H Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:24
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3228; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-12-24 | 1944-06-24 | 1944-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-24 | 1948-06-24 | 1948-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-24 | 1952-06-24 | 1952-12-24 | $7700.00 | Window Closed / Lapsed |