US2631904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Taper roller bearing
Assignee: Individual
•
Filing: 1948-07-21
•
Granted: 1953-03-17
•
Expires: 1968-07-21
Abstract
No abstract record available.
Inventors
- 👤 Frenkel Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:39
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C19/364; F16C19/30; F16C33/00; F16C33/30; F16C33/34; F16C33/36; F16C33/366; F16C2240/00; F16C2240/30; F16C2240/34; F16C2240/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE15345E
Cited
US921656A
Cited
US1397142A
Cited
US1542300A
Cited
US2215701A
Cited
US2231351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |