US3626564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of bearing races
Assignee: Nachi Machining Technology Co
•
Filing: 1970-02-26
•
Granted: 1971-12-14
•
Expires: 1990-02-26
Abstract
Abstract INTERNAL BALL BEARING RACES ARE PRODUCED BY ROLLING AN ANNULAR BODY WITHIN A SIZING RING TO PRODUCE THE REQUIRED CONTOUR AND DIMENSIONS.
Inventors
- 👤 David W Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:31
CPC Classifications
B; B21; B21H; B21H1/00; B21H1/06; B21H1/12; F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/64; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49689
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |