Patent US2146440A successfully refreshed from Google Patents.
US2146440A
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Bearing retainer and method of making same
Assignee: Hoover Universal Inc
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Filing: 1937-04-07
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Granted: 1939-02-07
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Expires: 1957-04-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Pew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:32
CPC Classifications
F; F16; F16C; F16C43/00; F16C43/04; F16C43/06; F16C43/08; F16C43/083; F16C19/00; F16C19/02; F16C19/04; F16C19/08; F16C33/00; F16C33/30; F16C33/38; F16C33/41; F16C33/412; F16C33/414; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49686; Y10T29/49687; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T29/49908; Y10T29/49915; Y10T29/49938
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) | 1942-02-06 | 1942-08-08 | 1943-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-06 | 1946-08-08 | 1947-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-06 | 1950-08-08 | 1951-02-07 | $7700.00 | Window Closed / Lapsed |