Patent US4532853A successfully refreshed from Google Patents.
Patent US2295771A successfully refreshed from Google Patents.
US2295771A
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Protective covering for bearings
Assignee: NORMA HOFFMAN BEARINGS CORP
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Filing: 1940-03-11
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Granted: 1942-09-15
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Expires: 1960-03-11
Abstract
No abstract record available.
Inventors
- 👤 Dwight E Batesole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:40
CPC Classifications
F; F16; F16C; F16C41/00; F16C41/04; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C19/22; F16C19/24; F16C19/26; F16C2380/00; F16C2380/26
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) | 1945-09-14 | 1946-03-16 | 1946-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-14 | 1950-03-16 | 1950-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-14 | 1954-03-16 | 1954-09-15 | $7700.00 | Window Closed / Lapsed |