US2765518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing one-piece roller bearing cage
Assignee: S&K Industries Inc
•
Filing: 1953-03-12
•
Granted: 1956-10-09
•
Expires: 1973-03-12
Abstract
No abstract record available.
Inventors
- 👤 Louis R Lovell
- 👤 Jr James E West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:59
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/05; F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/4617; F16C33/4623; F16C33/4629; F16C19/00; F16C19/22; F16C19/24; F16C19/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49691; Y10T29/49995; Y10T29/49996
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318092A
Cited
US1376709A
Cited
US1668112A
Cited
US1983134A
Cited
US1915298A
Cited
US2327237A
Cited
US2409236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |