US2643920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turret roller bearing
Assignee: Individual
•
Filing: 1948-09-10
•
Granted: 1953-06-30
•
Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 Stephen C Olszewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:08
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/34; F16C19/38; F16C19/52; F16C19/522; F16C33/00; F16C33/30; F16C33/46; F16C33/50; F16C33/502; F16C33/58; F16C33/60; F16C33/61; F41; F41A; F41A27/00; F41A27/06; F41A27/08; F41A27/16; F16C2300/00; F16C2300/10; F16C2300/14; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/931; Y10S411/955; Y10S411/974; Y10S411/983
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |