US2655392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shielded antifriction bearing
Assignee: Hoover Universal Inc
•
Filing: 1949-07-02
•
Granted: 1953-10-13
•
Expires: 1969-07-02
Abstract
No abstract record available.
Inventors
- 👤 Cone W Lighthall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:32
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/784; F16C33/7843; F16C19/00; F16C19/02; F16C19/04; F16C19/06; Y; Y10; Y10S; Y10S277/00; Y10S277/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1889397A
Cited
US2009281A
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US2054580A
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US1986621A
Cited
US2151730A
Cited
US2133304A
Cited
US2140091A
Cited
US2144691A
Cited
US2277810A
Cited
US2428041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |