US2400374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means for antifriction bearings
Assignee: Ex-Cell-O Corp
•
Filing: 1943-11-03
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Granted: 1946-05-14
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Expires: 1963-11-03
Abstract
No abstract record available.
Inventors
- 👤 Selnes Alf Kristian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:59
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/50; F16C19/505; F16C29/00; F16C29/04; F16C33/00; F16C33/30; F16C33/306; F16C33/32
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) | 1949-05-13 | 1949-11-12 | 1950-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-13 | 1953-11-12 | 1954-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-13 | 1957-11-12 | 1958-05-14 | $7700.00 | Window Closed / Lapsed |