US2983030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing bearing races
Assignee: Individual
•
Filing: 1957-11-27
•
Granted: 1961-05-09
•
Expires: 1977-11-27
Abstract
No abstract record available.
Inventors
- 👤 Attilio R Spicacci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:18
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/10; F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/588; F16C33/64; F16C19/00; F16C19/02; F16C19/04; F16C19/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49689; Y10T29/49789; Y10T29/49796; Y10T29/49995; Y10T29/49996
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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |